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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-18572

Keycloak-services: keycloak-services: uma claim token can override authorization time-policy evaluation attributes

Description

Keycloak provides authorization services that allow administrators to restrict access to resources based on time policies (for example, only allowing access during business hours). A flaw was discovered where a user can include a fake time value in their authorization request that overrides the actual server time. This allows the user to bypass these time-based restrictions and access protected resources at unauthorized times.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat build of Keycloak 26.6

Default version status: affected

  • 26.6.7-3 to < *unaffected

Red Hat Red Hat build of Keycloak 26.6

Default version status: affected

  • 26.6-20 to < *unaffected

Red Hat Red Hat build of Keycloak 26.6

Default version status: affected

  • 26.6-20 to < *unaffected

Red Hat Red Hat build of Keycloak 26.6.7

Default version status: unaffected

Red Hat Red Hat build of Keycloak 26.6.7

Default version status: unaffected

Red Hat Red Hat build of Keycloak 26.6.7

Default version status: unaffected

Red Hat Red Hat Data Grid 8

Default version status: unaffected

Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack

Default version status: unaffected

Red Hat Red Hat Single Sign-On 7

Default version status: unaffected

References