Privilege Escalation Vulnerability in Keycloak Admin API by Red Hat
CVE-2025-13881

2.7LOW

Key Information:

Vendor

Red Hat
Status
Red Hat Build Of Keycloak
Vendor
CVE Published:
2 February 2026

What is CVE-2025-13881?

A security flaw in the Keycloak Admin API enables an administrator with restricted permissions to access sensitive custom attributes through the /unmanagedAttributes endpoint, circumventing established User Profile visibility settings. This vulnerability potentially exposes private data, raising concerns about data privacy and security within the system.

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References

https://access.redhat.com/security/cve/CVE-2025-13881
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2418330
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
2.7
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Simone Paganessi for reporting this issue.
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