Traefik: ForwardAuth identity spoofing via dot-form header alias in github.com/traefik/traefik
Traefik: ForwardAuth identity spoofing via dot-form header alias in github.com/traefik/traefik
01
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-88011US | high8.1 | — | ||
Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.56, and from 3.0.0 until 3.7.12, a client-supplied dot-form header such as X.Authenticated.User surviv… | ||||
| CVE-2026-88879US | high8.2 | — | ||
Traefik is an HTTP reverse proxy and load balancer. In Traefik v1.x, v2.x through v2.11.55, and v3.0.0 through v3.7.11, header names are canonicalized only on dashes, so X-Auth-Use… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/traefik/traefik/commit/0331801c72329e0eaeb850e53ccce87c57fbecf8FIX
- https://github.com/traefik/traefik/pull/13720FIX
- https://github.com/traefik/traefik/releases/tag/v2.11.56WEB
- https://github.com/traefik/traefik/releases/tag/v3.7.12WEB
- https://github.com/traefik/traefik/security/advisories/GHSA-rf44-j88r-hh8cADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-88011ADVISORY
scry
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