| id: GO-2026-5195 |
| modules: |
| - module: github.com/traefik/traefik |
| unsupported_versions: |
| - last_affected: 1.7.34 |
| vulnerable_at: 1.7.34 |
| - module: github.com/traefik/traefik/v2 |
| versions: |
| - fixed: 2.11.43 |
| vulnerable_at: 2.11.42 |
| - module: github.com/traefik/traefik/v3 |
| versions: |
| - introduced: 3.0.0-beta1 |
| - fixed: 3.6.14 |
| - introduced: 3.7.0-ea.1 |
| - fixed: 3.7.0-rc.2 |
| vulnerable_at: 3.7.0-rc.1 |
| summary: |- |
| Traefik: A timing side-channel vulnerability allows for valid username |
| enumeration via BasicAuth middleware in github.com/traefik/traefik |
| cves: |
| - CVE-2026-41263 |
| ghsas: |
| - GHSA-6x2q-h3cr-8j2h |
| references: |
| - advisory: https://github.com/traefik/traefik/security/advisories/GHSA-6x2q-h3cr-8j2h |
| - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-41263 |
| - web: https://github.com/traefik/traefik/releases/tag/v2.11.43 |
| - web: https://github.com/traefik/traefik/releases/tag/v3.6.14 |
| - web: https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2 |
| source: |
| id: GHSA-6x2q-h3cr-8j2h |
| created: 2026-06-25T01:56:38.794601934-04:00 |
| review_status: UNREVIEWED |
