En resumen
- CVE-2026-1035 es una vulnerabilidad BAJO (CVSS 3.1) que afecta a org.keycloak:keycloak-services.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.30%, mayor que el 23.1% de las vulnerabilidades.
- Aún no hay una versión corregida: sigue el aviso del fabricante en Referencias.
Description
A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. This allows concurrent refresh requests to bypass single-use enforcement and issue multiple access tokens from the same refresh token. As a result, Keycloak’s refresh token rotation hardening can be undermined.
NVD description
A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. This allows concurrent refresh requests to bypass single-use enforcement and issue multiple access tokens from the same refresh token. As a result, Keycloak’s refresh token rotation hardening can be undermined.
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