MEDIUMMaven →
Keycloak Server-Side Request Forgery via OIDC token endpoint manipulation
Keycloak Server-Side Request Forgery via OIDC token endpoint manipulation
Affected packages
- org.keycloak:keycloak-services— 26.5.0 → 26.6.3
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-2026-4874
- https://github.com/keycloak/keycloak/issues/47935
- https://github.com/keycloak/keycloak/pull/49682
- https://github.com/keycloak/keycloak/pull/49685
- https://github.com/keycloak/keycloak/commit/00dd0dd716c4319d3bac3eb2f2ac22d2a94f79fd
- https://github.com/keycloak/keycloak/commit/63de0efd351a7a684212a042a12271908f63f0ee
- https://access.redhat.com/errata/RHSA-2026:25097
- https://access.redhat.com/errata/RHSA-2026:25098
- https://access.redhat.com/errata/RHSA-2026:30049
- https://access.redhat.com/errata/RHSA-2026:30050
- https://access.redhat.com/security/cve/CVE-2026-4874
- https://bugzilla.redhat.com/show_bug.cgi?id=2451611
- https://github.com/keycloak/keycloak
Structured record: https://osv.dev/vulnerability/GHSA-22rm-wp4x-v5cx
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