CVE-2026-41181
medium
CVSS v3
5.8
CVSS v2
—
VIR risk
5.8
Description
Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service
Predictions
Exploit likelihood
68%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: security-advisories@github.com — https://github.com/traefik/traefik/security/advisories/GHSA-p6hg-qh38-555r
Vendor advisory: security-advisories@github.com — https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.3
Vendor advisory: security-advisories@github.com — https://github.com/traefik/traefik/releases/tag/v3.6.15
Vendor advisory: security-advisories@github.com — https://github.com/traefik/traefik/releases/tag/v2.11.44
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/traefik/traefik/v2 | <2.11.44 | 2.11.44 |
| Go | github.com/traefik/traefik/v3 | <3.6.15 | 3.6.15 |
| Go | github.com/traefik/traefik/v3 | >=3.7.0-rc.0,<3.7.0-rc.3 | 3.7.0-rc.3 |
| GO | github.com/traefik/traefik/v3 | >= 3.7.0-rc.0, <= 3.7.0-rc.2 | 3.7.0-rc.3 |
| GO | github.com/traefik/traefik/v3 | <= 3.6.14 | 3.6.15 |
| GO | github.com/traefik/traefik/v2 | <= 2.11.43 | 2.11.44 |
References
- https://github.com/traefik/traefik/releases/tag/v2.11.44
- https://github.com/traefik/traefik/releases/tag/v3.6.15
- https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.3
- https://github.com/traefik/traefik/security/advisories/GHSA-p6hg-qh38-555r
- https://nvd.nist.gov/vuln/detail/CVE-2026-41181
- https://github.com/traefik/traefik
- https://github.com/advisories/GHSA-p6hg-qh38-555r
CWEs
CWE-201
Verify integrity in audit chain (admin only). AS-IS.