Veille CVE
CVE-2026-16442
9.8 CritiqueDescription
A flaw was found in the SAML broker component of Keycloak, which is used to manage identity federation and user authentication. The issue occurs because the IdP-initiated Single Sign-On endpoint fails to check if a provider is restricted to account linking only. This allows an attacker with control over a linked upstream identity to bypass login restrictions and gain full access to a local user account.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.4 Élevée | secalert@redhat.com | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 3.1 | 9.8 Critique | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://access.redhat.com/errata/RHSA-2026:50846 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:50847 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:50848 Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:50849 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-16442 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2503138 Issue TrackingVendor Advisory