CVEvulnerability
CVE-2025-11537
5.0 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-02-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-117
Description
A flaw was found in Keycloak. When the logging format is configured to a verbose, user-supplied pattern (such as the pre-defined 'long' pattern), sensitive headers including Authorization and Cookie are disclosed to the logs in cleartext. An attacker with read access to the log files can extract these credentials (e.g., bearer tokens, session cookies) and use them to impersonate users, leading to a full account compromise.
Related
Weakness · CWE (1)
- CWE-117 Improper Output Neutralization for Logs weakness
References
- https://access.redhat.com/security/cve/CVE-2025-11537 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2402616 bugzilla.redhat.com