Is org.keycloak:keycloak-services affected by CVE-2026-4636?

Maven org.keycloak:keycloak-services is affected in <26.5.7.

Is CVE-2026-4636 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-4636

Q: Is CVE-2026-4636 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

Maven · org.keycloak:keycloak-services

Summary

Keycloak: UMA Policy Resource Injection Allows Unauthorized Cross-User Permission Grants

Severity: high
EPSS: 0.3% (p25)
Also known as: GHSA-f2hx-5fx3-hmcv
Published: 2026-04-02

References

Related advisories

CVE-2026-7571 — high · Maven/org.keycloak:keycloak-services
CVE-2026-7507 — high · Maven/org.keycloak:keycloak-services
CVE-2026-7504 — high · Maven/org.keycloak:keycloak-services
CVE-2026-4634 — high · Maven/org.keycloak:keycloak-services
CVE-2026-4282 — high · Maven/org.keycloak:keycloak-services
CVE-2026-3872 — high · Maven/org.keycloak:keycloak-services
CVE-2026-2092 — high · Maven/org.keycloak:keycloak-services
CVE-2026-2603 — high · Maven/org.keycloak:keycloak-services

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.