CVE-2025-11537
Keycloak-services: sensitive headers shown in the http access logs
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
Exploitability
Official Patch Available
Workaround Available
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
https://nvd.nist.gov/vuln/detail/CVE-2025-11537
nvd.nist.gov
and 5 more references View all →
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