Headline
GHSA-93ww-43rr-79v3: Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination
A vulnerability was found in Keycloak. Deployments of Keycloak with a reverse proxy not using pass-through termination of TLS, with mTLS enabled, are affected. This issue may allow an attacker on the local network to authenticate as any user or client that leverages mTLS as the authentication mechanism.
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2024-10039
Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination
High severity GitHub Reviewed Published Nov 25, 2024 in keycloak/keycloak
Package
maven org.keycloak:keycloak-core (Maven)
Affected versions
< 24.0.9
>= 25.0.0, < 26.0.6
A vulnerability was found in Keycloak. Deployments of Keycloak with a reverse proxy not using pass-through termination of TLS, with mTLS enabled, are affected. This issue may allow an attacker on the local network to authenticate as any user or client that leverages mTLS as the authentication mechanism.
References
- GHSA-93ww-43rr-79v3
- keycloak/keycloak#35217
Published to the GitHub Advisory Database
Nov 25, 2024