Go/github.com/traefik/traefik/v2 CVE-2026-41263: low 3.7, EPSS 0.37%
Traefik: A timing side-channel vulnerability allows for valid username enumeration via BasicAuth middleware in github.com/traefik/traefik
Action: Upgrade github.com/traefik/traefik/v2 to 2.11.43 or later.
go get github.com/traefik/traefik/v2@v2.11.43Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.43 | - |
Fixed versions
| 2.11.43 |
Sources
- osv: GO-2026-5195#Go/github.com/traefik/traefik/v2
- nvd: CVE-2026-41263
- https://github.com/traefik/traefik/security/advisories/GHSA-6x2q-h3cr-8j2h
- https://github.com/traefik/traefik/releases/tag/v2.11.43
- https://github.com/traefik/traefik/releases/tag/v3.6.14
- https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2
CVE-2026-41263 · published · modified · JSON