CVE-2026-29777

MEDIUM

6.5

Description

Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.10, A tenant with write access to an HTTPRoute resource can inject backtick-delimited rule tokens into Traefik's router rule language via unsanitized header or query parameter match values. In shared gateway deployments, this can bypass listener hostname constraints and redirect traffic for victim hostnames to attacker-controlled backends. This vulnerability is fixed in 3.6.10.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/11/2026

Derniere modification3/19/2026

Sourcenvd

Observations honeypot0

Produits affectes

traefik:traefik

Faiblesses (CWE)

CWE-74

References

https://github.com/traefik/traefik/releases/tag/v3.6.10(security-advisories@github.com)

https://github.com/traefik/traefik/security/advisories/GHSA-8q2w-wr49-whqj(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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