Is CVE-2026-8922 actively exploited?

No active exploitation of CVE-2026-8922 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8922 be exploited remotely?

Yes. CVE-2026-8922 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8922?

CVE-2026-8922 has a CVSS score of 5.4 (MEDIUM).

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MEDIUM

CVE-2026-8922

CWE-303Published: May 19, 2026· Updated: May 19, 2026

5.4

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.1th

Official Description

A flaw was found in Keycloak. When both realm-level and client-level `notBefore` revocation policies are configured, Keycloak's OpenID Connect (OIDC) Introspection feature fails to properly honor the realm-level policy. This allows tokens that should have been revoked to remain active, potentially leading to unauthorized access or continued session validity. This could impact the security of systems utilizing Keycloak for identity and access management.

NVD Source

Technical Analysis

CVE-2026-8922 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.