CVE-2026-4282
1 advisory.
Maven/org.keycloak:keycloak-services CVE-2026-4282: high 7.4
Keycloak: Privilege escalation via forged authorization codes due to SingleUseObjectProvider isolation flaw
Action: Upgrade org.keycloak:keycloak-services to 26.5.7 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 26.5.7 | - |
Fixed versions
| 26.5.7 |
Sources
- osv: GHSA-hj93-h7pg-fh6v
- https://nvd.nist.gov/vuln/detail/CVE-2026-4282
- https://github.com/keycloak/keycloak/issues/47719
- https://github.com/keycloak/keycloak/commit/9046f201125a6fd6be9c116b99d348509d99d4a5
- https://access.redhat.com/errata/RHSA-2026:6475
- https://access.redhat.com/errata/RHSA-2026:6476
- https://access.redhat.com/errata/RHSA-2026:6477
- https://access.redhat.com/errata/RHSA-2026:6478
- https://access.redhat.com/security/cve/CVE-2026-4282
- https://bugzilla.redhat.com/show_bug.cgi?id=2448061
- https://github.com/keycloak/keycloak
CVE-2026-4282 · published · modified · JSON