CVE-2026-3911
low
CVSS v3
2.7
CVSS v2
—
VIR risk
2.7
Description
Keycloak: Information disclosure of disabled user attributes via administrative endpoint
Predictions
Exploit likelihood
39%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: secalert@redhat.com — https://access.redhat.com/security/cve/CVE-2026-3911
Vendor advisory: secalert@redhat.com — https://access.redhat.com/errata/RHSA-2026:6478
Vendor advisory: secalert@redhat.com — https://access.redhat.com/errata/RHSA-2026:6477
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.keycloak:keycloak-services | <=26.5.5 | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| redhat | build_of_keycloak | - | |
| redhat | build_of_keycloak | 26.4 | |
| redhat | build_of_keycloak | 26.4.11 | |
References
- https://access.redhat.com/errata/RHSA-2026:6477
- https://access.redhat.com/errata/RHSA-2026:6478
- https://access.redhat.com/security/cve/CVE-2026-3911
- https://bugzilla.redhat.com/show_bug.cgi?id=2446392
- https://nvd.nist.gov/vuln/detail/CVE-2026-3911
- https://github.com/keycloak/keycloak/issues/46922
- https://github.com/keycloak/keycloak/pull/46923
- https://github.com/keycloak/keycloak/commit/215bc1e27230f2a66670ed70262248b5f5254eb9
- https://github.com/keycloak/keycloak
CWEs
CWE-359
Verify integrity in audit chain (admin only). AS-IS.