CVE-2024-10039
Keycloak mTLS Authentication Bypass via Reverse Proxy TLS Termination
7.1
HIGH
CVSS 3.1
Description
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.
How to fix CVE-2024-10039
To remediate CVE-2024-10039, upgrade the affected package to a fixed version below.
- Maven/org.keycloak:keycloak-core—upgrade to 26.0.6 or later
Is CVE-2024-10039 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2024-10039.
Affected packages (1)
- from 0, < 26.0.6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |