CVE-2026-29777

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.

CVSS

No CVSS.

References

Link	Resource
https://github.com/traefik/traefik/releases/tag/v3.6.10
https://github.com/traefik/traefik/security/advisories/GHSA-8q2w-wr49-whqj

Configurations

No configuration.

History

11 Mar 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-11 16:16

Updated : 2026-03-12 21:08

NVD link : CVE-2026-29777

Mitre link : CVE-2026-29777

CVE.ORG link : CVE-2026-29777

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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