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Keycloak has a Time-of-check Time-of-use (TOCTOU) Race Condition
Keycloak has a Time-of-check Time-of-use (TOCTOU) Race Condition
Affected packages
- org.keycloak:keycloak-server— before 26.6.4
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-9796
- https://github.com/keycloak/keycloak/issues/49427
- https://github.com/keycloak/keycloak/pull/49624
- https://github.com/keycloak/keycloak/commit/39cb8de54c8517efeda4baa8bc314fd40e9c6934
- https://access.redhat.com/errata/RHSA-2026:56523
- https://access.redhat.com/errata/RHSA-2026:56524
- https://access.redhat.com/security/cve/CVE-2026-9796
- https://bugzilla.redhat.com/show_bug.cgi?id=2482464
- https://github.com/keycloak/keycloak
Structured record: https://osv.dev/vulnerability/GHSA-pq65-77rc-7r8c
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