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1 vulnerability found for Red Hat build of Keycloak 26.4.2 by Red Hat
CVE-2025-11537 (GCVE-0-2025-11537)
Vulnerability from cvelistv5 โ Published: 2026-02-10 10:53 โ Updated: 2026-10-30 18:31
VLAI
EPSS
VEX
Title
Keycloak-services: sensitive headers shown in the http access logs
Summary
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.
Severity
5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator ยท CISA-ADP (v2.0.3)
Decision recorded 2026-02-10 14:26 UTC
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
redhat
CNA
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHEA-2025:19385 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHEA-2025:19386 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2025-11537 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2402616 | issue-trackingx_refsource_REDHAT |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4.2 |
cpe:/a:redhat:build_keycloak:26.4::el9
|
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak:
|
Date Public
2025-10-09 19:17
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