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PYSEC-2024-52
Vulnerability from pysec - Published: 2024-06-09 19:15 - Updated: 2024-06-09 21:20
VLAI
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Impacted products
| Name | purl | authlib | pkg:pypi/authlib |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "authlib",
"purl": "pkg:pypi/authlib"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.1",
"0.10",
"0.11",
"0.12",
"0.12.1",
"0.13",
"0.14",
"0.14.1",
"0.14.2",
"0.14.3",
"0.15",
"0.15.1",
"0.15.2",
"0.15.3",
"0.15.4",
"0.15.5",
"0.15.6",
"0.1rc0",
"0.2",
"0.2.1",
"0.3",
"0.4",
"0.4.1",
"0.5",
"0.5.1",
"0.6",
"0.7",
"0.8",
"0.9",
"1.0.0",
"1.0.0a1",
"1.0.0a2",
"1.0.0b1",
"1.0.0b2",
"1.0.0rc1",
"1.0.1",
"1.1.0",
"1.2.0",
"1.2.1",
"1.3.0"
]
}
],
"aliases": [
"CVE-2024-37568",
"GHSA-5357-c2jx-v7qh"
],
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "PYSEC-2024-52",
"modified": "2024-06-09T21:20:21.309692+00:00",
"published": "2024-06-09T19:15:00+00:00",
"references": [
{
"type": "REPORT",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-5357-c2jx-v7qh"
}
]
}
BREW-FASTMCP-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:46 – Updated: 2026-09-09 23:55 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.8.0",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "fastmcp",
"purl": "pkg:brew/fastmcp"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.7"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.8.0",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.8.0"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-fastmcp-CVE-2024-37568",
"modified": "2026-09-09T23:55:50Z",
"published": "2026-08-13T16:46:31Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-KASKADE-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-10 00:14 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "kaskade",
"purl": "pkg:brew/kaskade"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.0.7_6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-kaskade-CVE-2024-37568",
"modified": "2026-09-10T00:14:38Z",
"published": "2026-08-13T17:01:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-KHAOS-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-08-13 17:01 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "khaos",
"purl": "pkg:brew/khaos"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.7.1_8"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
},
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-khaos-CVE-2024-37568",
"modified": "2026-08-13T17:01:22Z",
"published": "2026-08-13T17:01:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-KIMI-CLI-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-10 00:16 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"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/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-kimi-cli-CVE-2024-37568",
"modified": "2026-09-10T00:16:48Z",
"published": "2026-08-13T17:01:40Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-MCP-ATLASSIAN-CVE-2… (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:13 – Updated: 2026-09-10 00:30 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "mcp-atlassian",
"purl": "pkg:brew/mcp-atlassian"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.23.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-mcp-atlassian-CVE-2024-37568",
"modified": "2026-09-10T00:30:25Z",
"published": "2026-08-13T17:13:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-MCPM-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:13 – Updated: 2026-09-10 19:56 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "mcpm",
"purl": "pkg:brew/mcpm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.15.0_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-mcpm-CVE-2024-37568",
"modified": "2026-09-10T19:56:14Z",
"published": "2026-08-13T17:13:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-OMNARA-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:19 – Updated: 2026-09-10 00:40 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.6.6",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "omnara",
"purl": "pkg:brew/omnara"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.7.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.6.6",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.6.6"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-omnara-CVE-2024-37568",
"modified": "2026-09-10T00:40:38Z",
"published": "2026-08-13T17:19:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-OTERM-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:24 – Updated: 2026-09-10 20:17 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.8.0",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "oterm",
"purl": "pkg:brew/oterm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.23.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.8.0",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.8.0"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-oterm-CVE-2024-37568",
"modified": "2026-09-10T20:17:35Z",
"published": "2026-08-13T17:24:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-SAFETY-CVE-2024-37568 (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:33 – Updated: 2026-09-10 01:10 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "safety",
"purl": "pkg:brew/safety"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.8.1_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-safety-CVE-2024-37568",
"modified": "2026-09-10T01:10:54Z",
"published": "2026-08-13T17:33:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
BREW-WEAVIATE-CLI-CVE-20… (GHSA-5357-C2JX-V7QH)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:49 – Updated: 2026-09-10 01:36 – Source website
VLAI
Summary
Authlib has algorithm confusion with asymmetric public keys
Details
lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)
Severity
7.4 (High)
References
| URL | Type | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "authlib",
"resource_purl": "pkg:pypi/authlib@1.7.2",
"upstream_fixed_in": "1.3.1"
},
"package": {
"ecosystem": "Homebrew",
"name": "weaviate-cli",
"purl": "pkg:brew/weaviate-cli"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.4.1_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/authlib@1.7.2",
"name": "authlib",
"resource": "authlib",
"strategy": "registry",
"subject_version": "1.7.2"
}
]
},
"details": "lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)",
"id": "BREW-weaviate-cli-CVE-2024-37568",
"modified": "2026-09-10T01:36:07Z",
"published": "2026-08-13T17:49:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37568"
},
{
"type": "WEB",
"url": "https://github.com/lepture/authlib/issues/654"
},
{
"type": "PACKAGE",
"url": "https://github.com/lepture/authlib"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00032.html"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU"
},
{
"type": "WEB",
"url": "https://www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Authlib has algorithm confusion with asymmetric public keys",
"upstream": [
"GHSA-5357-c2jx-v7qh",
"CVE-2024-37568",
"PYSEC-2024-52"
]
}
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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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