DeutschShown in its original language — a full translation is planned for a future version.
Keycloak: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
view advisory published 2026-05-20
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Keycloak ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-9087US | high8.1 | — | ||
A flaw was found in Keycloak. The cross-session verification proof is keyed only by (local userId,
idpAlias) and is not bound to the upstream identity that was actually verified, s… | ||||
02
references
External citations — patches, advisories, analysis.
- Red Hat Security Advisory RHSA-2026:25097 vom 2026-06-10external
- Red Hat Security Advisory RHSA-2026:25098 vom 2026-06-10external
- Red Hat Security Advisory RHSA-2026:30049 vom 2026-06-25external
- Red Hat Security Advisory RHSA-2026:30050 vom 2026-06-25external
- Red Hat Security Advisory RHSA-2026:30083 vom 2026-06-25external
- Red Hat Security Advisory RHSA-2026:30084 vom 2026-06-25external
- Red Hat Bugtracker 2480172 vom 2026-05-20external
- GitHub Security Advisory GHSA-m6qj-3mpp-57v8 vom 2026-05-20external
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