CVE-2026-114636 Traefik - Access Control Bypass

Traefik < 3.7.14 contains an access control bypass caused by HTTP router for ssl-passthrough Ingresses on non-TLS entry points not applying access-control annotations, letting unauthenticated attackers access protected backends without logging, exploit requires attacker to reach HTTP entry point with Ingress host.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.26% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Access Control Bypass
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-306

Vendor fix

Update to version 3.7.14 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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