GHSA-27gp-8389-hm4w

    Dashboard / Vulnerabilities / GHSA-27gp-8389-hm4w

    GHSA-27gp-8389-hm4w

    Published: 30 Jul 2025Last Modified: 30 Jul 2025
    Aliases:

    Summary: Keycloak Privilege Escalation Vulnerability in Admin Console (FGAPv2 Enabled)

    Details: A Privilege Escalation vulnerability was identified in the Keycloak identity and access management solution, specifically when FGAPv2 is enabled in version 26.2.x. The flaw lies in the admin permission enforcement logic, where a user with manage-users privileges can self-assign realm-admin rights. The escalation occurs due to missing privilege boundary checks in role mapping operations via the admin REST interface. A malicious administrator with limited permissions can exploit this by editing their own user roles, gaining unauthorized full access to realm configuration and user data. This issue has been fixed in versions 26.2.6, and 26.3.0.

    Affected packages

    Package

    Name: org.keycloak:keycloak-services

    Purl: pkg:maven/org.keycloak/keycloak-services

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 26.2.0
    Fixed -26.2.6

    Affected versions

    26.2.0
    26.2.1
    26.2.2
    26.2.3
    26.2.4
    26.2.5

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-27gp-8389-hm4w | CVE-DB