CVE-2022-46153 Routes exposed with an empty TLSOption in traefik
Traefik exposes routes with invalid TLS options without verification, allowing bypass of mTLS security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-46153?
CVE-2022-46153 is a high-severity vulnerability in Traefik Traefik, published on 8 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Traefik is an open source HTTP reverse proxy and load balancer. In affected versions there is a potential vulnerability in Traefik managing TLS connections. A router configured with a not well-formatted TLSOption is exposed with an empty TLSOption. For instance, a route secured using an mTLS connection set with a wrong CA file is exposed without verifying the client certificates. Users are advised to upgrade to version 2.9.6. Users unable to upgrade should check their logs to detect the error messages and fix your TLS options.
Weakness: CWE-295
Which versions are affected by CVE-2022-46153?
4 open source packages ship an affected version, including github.com/traefik/traefik/v2 and github.com/traefik/traefik. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/traefik/traefik/v2 Go | All versions | 2.9.6 |
github.com/traefik/traefik/v2 Go | All versions | 2.9.6 |
github.com/traefik/traefik/v2 Go | All versions | 2.9.6 |
github.com/traefik/traefik Go | All versions | None |
Products include Traefik Traefik.
How do I fix CVE-2022-46153?
Upgrade github.com/traefik/traefik/v2 to 2.9.6 or later.
Is CVE-2022-46153 being exploited?
There is no known exploitation of CVE-2022-46153 in the wild and no public exploit code.
Other vulnerabilities in Traefik Traefik
- CVE-2024-45410 HTTP client can remove the X-Forwarded headers in Traefik
- CVE-2026-88877 Traefik v3.7.0 Authentication Bypass via from-to-www-redirect
- CVE-2026-85595 Traefik before v2.11.55 and v3.0.0 through v3.7.10 Authentication Bypass via digestAuth
- CVE-2026-88007 Traefik HTTP/3 Backend NTLM Connection Reuse
- CVE-2026-88009 Traefik: Rootless HTTP/1 request-target routes as "/" but is forwarded verbatim, bypassing path-scoped routing, middleware guards and access logging
Sources
Also known as ECHO-f918-5978-27a9, GHSA-468w-8x39-gj5v, GO-2022-1152.