CVE-2025-1391 (GCVE-0-2025-1391)

Vulnerability from cvelistv5 – Published: 2025-02-17 14:01 – Updated: 2025-11-20 19:58
VLAI?
Title
Keycloak-services: improper authorization in keycloak organization mapper allows unauthorized organization claims
Summary
A flaw was found in the Keycloak organization feature, which allows the incorrect assignment of an organization to a user if their username or email matches the organization’s domain pattern. This issue occurs at the mapper level, leading to misrepresentation in tokens. If an application relies on these claims for authorization, it may incorrectly assume a user belongs to an organization they are not a member of, potentially granting unauthorized access or privileges.
Severity ?
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-284 - Improper Access Control
Assigner
References
https://access.redhat.com/errata/RHSA-2025:2544 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2025:2545 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2025-1391 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2346082 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Affected: 26.0.0 , < 26.0.10 (semver)
    Red Hat Red Hat Build of Keycloak     cpe:/a:redhat:build_keycloak:26
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    Red Hat Red Hat build of Keycloak 26.0 Unaffected: 26.0.10-3 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.0::el9
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    Red Hat Red Hat build of Keycloak 26.0 Unaffected: 26.0-11 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.0::el9
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    Red Hat Red Hat build of Keycloak 26.0 Unaffected: 26.0-12 , < * (rpm)
    cpe:/a:redhat:build_keycloak:26.0::el9
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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