Em resumo
- CVE-2026-9087 é uma vulnerabilidade ALTO (CVSS 8.1) que afeta org.keycloak:keycloak-services.
- Chance de exploração nos próximos 30 dias (EPSS): 0.31%, maior que 24.0% das vulnerabilidades.
- Correção: atualize para 26.6.3 ou posterior.
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.
NVD 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.
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