Vulnerability in Traefik

CVE-2026-44774

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.46, 3.6.17, and 3.7.1, Traefik's Kubernetes Gateway API provider allows a tenant with HTTPRoute creation permissions to expose the REST provider handler, bypassing the provi…

EPSS: 0.000 (3.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • Traefik — versions < 2.11.46, >= 3.0.0-beta1, < 3.6.17, >= 3.7.0-rc.0, < 3.7.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44774?
CVE-2026-44774 is a critical-severity vulnerability in Traefik, classified under Improper Access Control. CVSS score: 9.9/10. Published 2026-05-15.
How severe is CVE-2026-44774?
Critical severity. CVSS v3 base score is 9.9 out of 10.