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PYSEC-2021-76
Vulnerability from pysec - Published: 2021-02-26 03:15 - Updated: 2021-03-26 20:01
VLAI
Details
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In aiohttp before version 3.7.4 there is an open redirect vulnerability. A maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website. It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware. This security problem has been fixed in 3.7.4. Upgrade your dependency using pip as follows "pip install aiohttp >= 3.7.4". If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
Impacted products
| Name | purl | aiohttp | pkg:pypi/aiohttp |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "aiohttp",
"purl": "pkg:pypi/aiohttp"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2545222a3853e31ace15d87ae0e2effb7da0c96b"
}
],
"repo": "https://github.com/aio-libs/aiohttp",
"type": "GIT"
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.7.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1",
"0.2",
"0.3",
"0.4",
"0.4.1",
"0.4.2",
"0.4.3",
"0.4.4",
"0.5.0",
"0.6.0",
"0.6.1",
"0.6.2",
"0.6.3",
"0.6.4",
"0.6.5",
"0.7.0",
"0.7.1",
"0.7.2",
"0.7.3",
"0.8.0",
"0.8.1",
"0.8.2",
"0.8.3",
"0.8.4",
"0.9.0",
"0.9.1",
"0.9.2",
"0.9.3",
"0.10.0",
"0.10.1",
"0.10.2",
"0.11.0",
"0.12.0",
"0.13.0",
"0.13.1",
"0.14.0",
"0.14.1",
"0.14.2",
"0.14.3",
"0.14.4",
"0.15.0",
"0.15.1",
"0.15.2",
"0.15.3",
"0.16.0",
"0.16.1",
"0.16.2",
"0.16.3",
"0.16.4",
"0.16.5",
"0.16.6",
"0.17.0",
"0.17.1",
"0.17.2",
"0.17.3",
"0.17.4",
"0.18.0",
"0.18.1",
"0.18.2",
"0.18.3",
"0.18.4",
"0.19.0",
"0.20.0",
"0.20.1",
"0.20.2",
"0.21.0",
"0.21.1",
"0.21.2",
"0.21.4",
"0.21.5",
"0.21.6",
"0.22.0a0",
"0.22.0b0",
"0.22.0b1",
"0.22.0b2",
"0.22.0b3",
"0.22.0b4",
"0.22.0b5",
"0.22.0b6",
"0.22.0",
"0.22.1",
"0.22.2",
"0.22.3",
"0.22.4",
"0.22.5",
"1.0.0",
"1.0.1",
"1.0.2",
"1.0.3",
"1.0.5",
"1.1.0",
"1.1.1",
"1.1.2",
"1.1.3",
"1.1.4",
"1.1.5",
"1.1.6",
"1.2.0",
"1.3.0",
"1.3.1",
"1.3.2",
"1.3.3",
"1.3.4",
"1.3.5",
"2.0.0rc1",
"2.0.0",
"2.0.1",
"2.0.2",
"2.0.3",
"2.0.4",
"2.0.5",
"2.0.6",
"2.0.7",
"2.1.0",
"2.2.0",
"2.2.1",
"2.2.2",
"2.2.3",
"2.2.4",
"2.2.5",
"2.3.0a1",
"2.3.0a2",
"2.3.0a3",
"2.3.0a4",
"2.3.0",
"2.3.1a1",
"2.3.1",
"2.3.2b2",
"2.3.2b3",
"2.3.2",
"2.3.3",
"2.3.4",
"2.3.5",
"2.3.6",
"2.3.7",
"2.3.8",
"2.3.9",
"2.3.10",
"3.0.0b0",
"3.0.0b1",
"3.0.0b2",
"3.0.0b3",
"3.0.0b4",
"3.0.0",
"3.0.1",
"3.0.2",
"3.0.3",
"3.0.4",
"3.0.5",
"3.0.6",
"3.0.7",
"3.0.8",
"3.0.9",
"3.1.0",
"3.1.1",
"3.1.2",
"3.1.3",
"3.2.0",
"3.2.1",
"3.3.0a0",
"3.3.0",
"3.3.1",
"3.3.2a0",
"3.3.2",
"3.4.0a0",
"3.4.0a3",
"3.4.0b1",
"3.4.0b2",
"3.4.0",
"3.4.1",
"3.4.2",
"3.4.3",
"3.4.4",
"3.5.0a1",
"3.5.0b1",
"3.5.0b2",
"3.5.0b3",
"3.5.0",
"3.5.1",
"3.5.2",
"3.5.3",
"3.5.4",
"3.6.0a0",
"3.6.0a1",
"3.6.0a2",
"3.6.0a3",
"3.6.0a4",
"3.6.0a5",
"3.6.0a6",
"3.6.0a7",
"3.6.0a8",
"3.6.0a9",
"3.6.0a11",
"3.6.0a12",
"3.6.0b0",
"3.6.0",
"3.6.1b3",
"3.6.1b4",
"3.6.1",
"3.6.2a0",
"3.6.2a1",
"3.6.2a2",
"3.6.2",
"3.6.3",
"3.7.0b0",
"3.7.0b1",
"3.7.0",
"3.7.1",
"3.7.2",
"3.7.3"
]
}
],
"aliases": [
"CVE-2021-21330",
"GHSA-v6wp-4m6f-gcjg"
],
"details": "aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In aiohttp before version 3.7.4 there is an open redirect vulnerability. A maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website. It is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware. This security problem has been fixed in 3.7.4. Upgrade your dependency using pip as follows \"pip install aiohttp \u003e= 3.7.4\". If upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.",
"id": "PYSEC-2021-76",
"modified": "2021-03-26T20:01:00Z",
"published": "2021-02-26T03:15:00Z",
"references": [
{
"type": "FIX",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "PACKAGE",
"url": "https://pypi.org/project/aiohttp/"
},
{
"type": "ADVISORY",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://www.debian.org/security/2021/dsa-4864"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5/"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L/"
}
]
}
BREW-CHECKOV-CVE-2021-21330 (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:39 – Updated: 2026-09-09 23:47 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "checkov",
"purl": "pkg:brew/checkov"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.3.10"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-checkov-CVE-2021-21330",
"modified": "2026-09-09T23:47:22Z",
"published": "2026-08-13T16:39:32Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-CODELIMIT-CVE-2021-21330 (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:40 – Updated: 2026-09-09 23:48 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "codelimit",
"purl": "pkg:brew/codelimit"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.21.0_9"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-codelimit-CVE-2021-21330",
"modified": "2026-09-09T23:48:14Z",
"published": "2026-08-13T16:40:10Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-CVE-BIN-TOOL-CVE-20… (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:42 – Updated: 2026-09-10 19:04 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "cve-bin-tool",
"purl": "pkg:brew/cve-bin-tool"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-cve-bin-tool-CVE-2021-21330",
"modified": "2026-09-10T19:04:07Z",
"published": "2026-08-13T16:42:04Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-DNSTWIST-CVE-2021-21330 (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:43 – Updated: 2026-09-09 23:51 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "dnstwist",
"purl": "pkg:brew/dnstwist"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "20250130_12"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-dnstwist-CVE-2021-21330",
"modified": "2026-09-09T23:51:45Z",
"published": "2026-08-13T16:43:20Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-DVC-CVE-2021-21330 (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:44 – Updated: 2026-09-09 23:52 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "dvc",
"purl": "pkg:brew/dvc"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.67.1_14"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-dvc-CVE-2021-21330",
"modified": "2026-09-09T23:52:34Z",
"published": "2026-08-13T16:44:03Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-GIMME-AWS-CREDS-CVE… (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:50 – Updated: 2026-09-10 00:00 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "gimme-aws-creds",
"purl": "pkg:brew/gimme-aws-creds"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.8.2_15"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-gimme-aws-creds-CVE-2021-21330",
"modified": "2026-09-10T00:00:39Z",
"published": "2026-08-13T16:50:34Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-HOMEASSISTANT-CLI-C… (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:56 – Updated: 2026-09-17 17:53 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "homeassistant-cli",
"purl": "pkg:brew/homeassistant-cli"
},
"ranges": [
{
"events": [
{
"introduced": "0.5.0"
},
{
"fixed": "0.9.1_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-homeassistant-cli-CVE-2021-21330",
"modified": "2026-09-17T17:53:52Z",
"published": "2026-08-13T16:56:27Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-ISPONSORBLOCKTV-CVE… (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:00 – Updated: 2026-09-10 19:32 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "isponsorblocktv",
"purl": "pkg:brew/isponsorblocktv"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.10.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-isponsorblocktv-CVE-2021-21330",
"modified": "2026-09-10T19:32:54Z",
"published": "2026-08-13T17:00:03Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-KIMI-CLI-CVE-2021-21330 (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-10 00:16 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.13.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "kimi-cli",
"purl": "pkg:brew/kimi-cli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.48.0_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.13.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.13.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-kimi-cli-CVE-2021-21330",
"modified": "2026-09-10T00:16:48Z",
"published": "2026-08-13T17:01:40Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
BREW-KNOT-RESOLVER-CVE-2… (GHSA-V6WP-4M6F-GCJG)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-10 00:17 – Source website
VLAI
Summary
`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)
Details
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
[pip install aiohttp >= 3.7.4]
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory: * Open an issue in the aiohttp repo * Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com
Credit: Jelmer Vernooij and Beast Glatisant.
Severity
References
| URL | Type | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "aiohttp",
"resource_purl": "pkg:pypi/aiohttp@3.14.3",
"upstream_fixed_in": "3.7.4"
},
"package": {
"ecosystem": "Homebrew",
"name": "knot-resolver",
"purl": "pkg:brew/knot-resolver"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.4.2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/aiohttp@3.14.3",
"name": "aiohttp",
"resource": "aiohttp",
"strategy": "registry",
"subject_version": "3.14.3"
}
]
},
"details": "### Impact\n\nOpen redirect vulnerability \u2014 a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.\n\nIt is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware.\n\n### Patches\n\nThis security problem has been fixed in v3.7.4. Upgrade your dependency as follows:\n[`pip install aiohttp \u003e= 3.7.4`]\n\n### Workarounds\n\nIf upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.\n\n### References\n\n* [aiohttp @ PyPI]\n* [GHSA-v6wp-4m6f-gcjg]\n* [OWASP page on open redirects]\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in the [aiohttp repo](https://github.com/aio-libs/aiohttp/issues/new/choose)\n* Email us at wk+aio-libs-security@sydorenko.org.ua and/or andrew.svetlov+aio-libs-security@gmail.com\n\nCredit: [Jelmer Vernoo\u0133] and [Beast Glatisant].\n\n[aiohttp @ PyPI]: https://pypi.org/p/aiohttp\n[`pip install aiohttp \u003e= 3.7.4`]: https://pypi.org/project/aiohttp/3.7.4/\n[GHSA-v6wp-4m6f-gcjg]: https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg\n[OWASP page on open redirects]:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\n[Jelmer Vernoo\u0133]: https://jelmer.uk\n[Beast Glatisant]: https://github.com/g147",
"id": "BREW-knot-resolver-CVE-2021-21330",
"modified": "2026-09-10T00:17:55Z",
"published": "2026-08-13T17:01:43Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21330"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/aiohttp/PYSEC-2021-76.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU7ENI54JNEK3PHEFGCE46DGMFNTVU6L"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN3V7CZJRT4QFCVXB6LDPCJH7NAOFCA5"
},
{
"type": "WEB",
"url": "https://pypi.org/project/aiohttp"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202208-19"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4864"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "`aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)",
"upstream": [
"GHSA-v6wp-4m6f-gcjg",
"CVE-2021-21330",
"PYSEC-2021-76"
]
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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