Go/github.com/traefik/traefik/v3 CVE-2026-33433: high 8.8, EPSS 0.49%
Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField
Action: Upgrade github.com/traefik/traefik/v3 to 3.6.12 or later.
go get github.com/traefik/traefik/v3@v3.6.12go get github.com/traefik/traefik/v3@v3.7.0-ea.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 3.0.0-beta1 | 3.6.12 | - |
| 3.7.0-ea.1 | 3.7.0-ea.3 | - |
Fixed versions
| 3.6.12 | 3.7.0-ea.3 |
Sources
- osv: GHSA-qr99-7898-vr7c#Go/github.com/traefik/traefik/v3
- nvd: CVE-2026-33433
- https://github.com/traefik/traefik/security/advisories/GHSA-qr99-7898-vr7c
- https://github.com/traefik/traefik
- https://github.com/traefik/traefik/releases/tag/v2.11.42
- https://github.com/traefik/traefik/releases/tag/v3.6.11
- https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.3
CVE-2026-33433 · published · modified · JSON