En resumen
- CVE-2026-9802 es una vulnerabilidad MEDIO (CVSS 6.8) que afecta a org.keycloak:keycloak-services.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.30%, mayor que el 22.8% de las vulnerabilidades.
- Solución: actualizar a 26.6.3 o posterior.
Description
A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been revoked. Successful exploitation grants the attacker unauthorized access to the victim's account, potentially leading to information disclosure or privilege escalation.
NVD description
A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been revoked. Successful exploitation grants the attacker unauthorized access to the victim's account, potentially leading to information disclosure or privilege escalation.
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