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4 vulnerabilities found for crowdsec by crowdsecurity
CVE-2026-44982 (GCVE-0-2026-44982)
Vulnerability from nvd – Published: 2026-07-16 19:50 – Updated: 2026-07-17 15:01
VLAI
EPSS
VEX
Title
CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests
Summary
CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from max(r.ContentLength, 0), so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length header produced an empty body and caused WAF rules targeting REQUEST_BODY, BODY_ARGS, ARGS_POST, JSON, or XML to be skipped. This issue is fixed in version 1.7.8.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/crowdsecurity/crowdsec/securit… | x_refsource_CONFIRM |
| https://github.com/crowdsecurity/crowdsec/pull/4355 | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crowdsecurity | crowdsec |
Affected:
>= 1.5.0, < 1.7.8
|
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}
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"x_refsource_MISC"
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CVE-2026-44981 (GCVE-0-2026-44981)
Vulnerability from nvd – Published: 2026-07-16 19:47 – Updated: 2026-07-17 13:50
VLAI
EPSS
VEX
Title
CrowdSec LAPI: Denial of Service via Unbounded Gzip Decompression
Summary
CrowdSec offers crowdsourced protection against malicious IPs. From 1.7.0 until 1.7.8, the LAPI router used gin-contrib/gzip with DefaultDecompressHandle globally in pkg/apiserver/controllers/controller.go, causing /v1/watchers and /v1/watchers/login to decompress unauthenticated gzip-compressed JSON request bodies without enforcing a maximum decompressed size and allowing excessive heap allocation that can make LAPI unreachable. This issue is fixed in version 1.7.8.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/crowdsecurity/crowdsec/securit… | x_refsource_CONFIRM |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crowdsecurity | crowdsec |
Affected:
>= 1.7.0, < 1.7.8
|
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"subIntegrityImpact": "NONE",
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CVE-2026-44982 (GCVE-0-2026-44982)
Vulnerability from cvelistv5 – Published: 2026-07-16 19:50 – Updated: 2026-07-17 15:01
VLAI
EPSS
VEX
Title
CrowdSec AppSec silently drops request body for chunked / HTTP-2 requests
Summary
CrowdSec offers crowdsourced protection against malicious IPs. From 1.5.0 until 1.7.8, pkg/appsec/request.go NewParsedRequestFromRequest allocated a request body buffer from max(r.ContentLength, 0), so HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests without a content-length header produced an empty body and caused WAF rules targeting REQUEST_BODY, BODY_ARGS, ARGS_POST, JSON, or XML to be skipped. This issue is fixed in version 1.7.8.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-693 - Protection Mechanism Failure
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/crowdsecurity/crowdsec/securit… | x_refsource_CONFIRM |
| https://github.com/crowdsecurity/crowdsec/pull/4355 | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/release… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crowdsecurity | crowdsec |
Affected:
>= 1.5.0, < 1.7.8
|
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CVE-2026-44981 (GCVE-0-2026-44981)
Vulnerability from cvelistv5 – Published: 2026-07-16 19:47 – Updated: 2026-07-17 13:50
VLAI
EPSS
VEX
Title
CrowdSec LAPI: Denial of Service via Unbounded Gzip Decompression
Summary
CrowdSec offers crowdsourced protection against malicious IPs. From 1.7.0 until 1.7.8, the LAPI router used gin-contrib/gzip with DefaultDecompressHandle globally in pkg/apiserver/controllers/controller.go, causing /v1/watchers and /v1/watchers/login to decompress unauthenticated gzip-compressed JSON request bodies without enforcing a maximum decompressed size and allowing excessive heap allocation that can make LAPI unreachable. This issue is fixed in version 1.7.8.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/crowdsecurity/crowdsec/securit… | x_refsource_CONFIRM |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
| https://github.com/crowdsecurity/crowdsec/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| crowdsecurity | crowdsec |
Affected:
>= 1.7.0, < 1.7.8
|
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"vendor": "crowdsecurity",
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"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
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"x_refsource_MISC"
],
"url": "https://github.com/crowdsecurity/crowdsec/commit/56d0d6915f7f25941dc5b4f484028646f6601a37"
}
],
"source": {
"advisory": "GHSA-273h-gvwr-c3qj",
"discovery": "UNKNOWN"
},
"title": "CrowdSec LAPI: Denial of Service via Unbounded Gzip Decompression"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-44981",
"datePublished": "2026-07-16T19:47:30.747Z",
"dateReserved": "2026-05-08T16:23:33.264Z",
"dateUpdated": "2026-07-17T13:50:30.497Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}