MEDIUMMaven →
Keycloak's identity-first login flow exposes user information
Keycloak's identity-first login flow exposes user information
Affected packages
- org.keycloak:keycloak-services— 26.5.0 → 26.6.1
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-2026-4633
- https://github.com/keycloak/keycloak/issues/47619
- https://github.com/keycloak/keycloak/pull/47635
- https://github.com/keycloak/keycloak/commit/b137016cc6dcfd9f59b2aa2e6d73af8b0ebf7c6e
- https://github.com/keycloak/keycloak/commit/b4558a874fa79341404ae4d2d8f240f22bfed340
- https://access.redhat.com/security/cve/CVE-2026-4633
- https://bugzilla.redhat.com/show_bug.cgi?id=2450247
- https://github.com/keycloak/keycloak
Structured record: https://osv.dev/vulnerability/GHSA-rhgq-f8x5-j2jc
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