GHSA-5423-jcjm-2gpv: Github.com/traefik/traefik/v2 Traefik Affected By Go HTTP Vulnerability
CRITICALGHSA-5423-jcjm-2gpv is a CRITICAL (CVSS 9.1) traefik affected by go http vulnerability (CWE-1395: Dependency on Vulnerable Third-Party Component) affecting Github.com/traefik/traefik/v2 libraries in the Go ecosystem. The issue involves traefik affected by go http request smuggling vulnerability. Remediation is available by upgrading affected packages to version 2.11.24, 3.3.6, 3.4.0-rc2.
GHSA-5423-jcjm-2gpv at a Glance
Security Impact
CVSS: 9.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
How to Fix GHSA-5423-jcjm-2gpv
To remediate this vulnerability, upgrade all affected Github.com/traefik/traefik/v2 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/traefik/traefik/v2 to 2.11.24Upgrade github.com/traefik/traefik/v3 to 3.3.6Upgrade github.com/traefik/traefik/v3 to 3.4.0-rc2Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/traefik/traefik/v2How to Check if You Are Affected
To determine whether your application is affected by GHSA-5423-jcjm-2gpv, inspect your project dependencies for Github.com/traefik/traefik/v2:
inspect dependencies for github.com/traefik/traefik/v2Analyze the terminal output to locate any version of Github.com/traefik/traefik/v2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.11.24), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-1395: Dependency on Vulnerable Third-Party Component, where the product has a dependency on a third-party component that contains one or more known vulnerabilities. In Github.com/traefik/traefik/v2, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
GHSA-5423-jcjm-2gpv Affected Github.com/traefik/traefik/v2 Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/traefik/traefik/v2
|
Go |
< 2.11.24
|
2.11.24
|
|
github.com/traefik/traefik/v3
|
Go |
< 3.3.6
|
3.3.6
|
|
github.com/traefik/traefik/v3
|
Go |
≥ 3.4.0-rc1
< 3.4.0-rc2
All 1 versions
3.4.0-rc1
|
3.4.0-rc2
|
References
Frequently Asked Questions
What is GHSA-5423-jcjm-2gpv?
Which Github.com/traefik/traefik/v2 versions are affected?
What version fixes GHSA-5423-jcjm-2gpv?
Is github.com/traefik/traefik/v2 affected?
Is github.com/traefik/traefik/v3 affected?
What is the CVSS score of GHSA-5423-jcjm-2gpv?
What CWE is associated with GHSA-5423-jcjm-2gpv?
How can I check Go dependencies for GHSA-5423-jcjm-2gpv?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-5423-jcjm-2gpv",
"modified" : "2025-04-18T19:35:17Z",
"published" : "2025-04-18T19:35:17Z",
"aliases" : [ ],
"summary" : "Traefik affected by Go HTTP Request Smuggling Vulnerability",
"details" : "### Summary\nnet/http: request smuggling through invalid chunked data: The net/http package accepts data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permit request smuggling. [CVE-2025-22871] Vendor Affected Components: Go: 1.23.x < 1.23.8\n\nMore Details: [CVE-2025-22871](https://nvd.nist.gov/vuln/detail/CVE-2025-22871)\n\n## Patches\n\n- https://github.com/traefik/traefik/releases/tag/v2.11.24\n- https://github.com/traefik/traefik/releases/tag/v3.3.6\n- https://github.com/traefik/traefik/releases/tag/v3.4.0-rc2",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/traefik/traefik/v2"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2.11.24"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/traefik/traefik/v3"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "3.3.6"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/traefik/traefik/v3"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.4.0-rc1"
}, {
"fixed" : "3.4.0-rc2"
} ]
} ],
"versions" : [ "3.4.0-rc1" ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/security/advisories/GHSA-5423-jcjm-2gpv"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-22871"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/traefik/traefik"
}, {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/releases/tag/v2.11.24"
}, {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/releases/tag/v3.3.6"
}, {
"type" : "WEB",
"url" : "https://github.com/traefik/traefik/releases/tag/v3.4.0-rc2"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-1395" ],
"severity" : "CRITICAL",
"github_reviewed" : true,
"github_reviewed_at" : "2025-04-18T19:35:17Z",
"nvd_published_at" : null
}
}