Description
A flaw was found in Keycloak. The cross-session verification proof is keyed only by (local userId, idpAlias) and is not bound to the upstream identity that was actually verified, so a second upstream account on the same IdP can consume it and get linked to the victim-s local account.
CVSS 6.4EPSS 0.312%Risque 0.66
Voir la source- Publication
- 2026-05-20 17:16:32
- Versions concernées
- unknown
- Type
- Core software
- Dernière modification
- 2026-07-23 12:10:00
- Vecteur
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N