CVE-2026-88010

Go/Traefik CVE-2026-88010: medium

Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle

Action: Upgrade Traefik to 3.7.13 or later.

go get Traefik@v3.7.13

Affected

Fixed versions

Sources

• osv: GHSA-8fcf-v89g-xpg6
• https://github.com/traefik/traefik/security/advisories/GHSA-8fcf-v89g-xpg6
• https://nvd.nist.gov/vuln/detail/CVE-2026-88010
• https://github.com/traefik/traefik/pull/13816
• https://github.com/traefik/traefik/commit/ddc1bf4660b85fd61fafdd821eb8216fb1a0b130
• https://github.com/traefik/traefik
• https://github.com/traefik/traefik/releases/tag/v3.7.13

CVE-2026-88010 · published 2026-09-22T20:40:49Z · modified 2026-10-01T20:55:42.797529432Z · JSON

Go/github.com/traefik/traefik CVE-2026-88010: unknown

Traefik: BasicAuth singleflight coalescing reintroduces an unauthenticated username-enumeration timing oracle

Action: No fix published. Pin and monitor.

Affected

Fixed versions

No fixed version in the source.

Sources

• osv: GO-2026-6558
• https://github.com/traefik/traefik/security/advisories/GHSA-8fcf-v89g-xpg6
• https://nvd.nist.gov/vuln/detail/CVE-2026-88010
• https://github.com/traefik/traefik/commit/ddc1bf4660b85fd61fafdd821eb8216fb1a0b130
• https://github.com/traefik/traefik/pull/13816
• https://github.com/traefik/traefik/releases/tag/v3.7.13

CVE-2026-88010 · published 2026-10-01T20:23:38Z · modified 2026-10-01T20:45:13.180305525Z · JSON