Keycloak-services: keycloak-services: par single-use bypass via flow restart

Özet

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A flaw was found in the Pushed Authorization Request PAR implementation of the keycloak-services component. The issue occurs when an authentication flow is restarted, which incorrectly clears the internal markers used to track PAR consumption while leaving the request active. This allows an attacker to reuse the same authorization request to obtain multiple access tokens, bypassing security requirements for single-use requests.

Etkilenen sürümler2 yazılım

Kaynaklar4 kaynak

• CVE.org kaydı
• NVD kaydı
• bugzilla.redhat.com/show_bug.cgi Üçüncü taraf
• access.redhat.com/security/cve/CVE-2026-117859 Diğer

Kayıt geçmişi

1. 29 Eki 2026 09:22Yayımlandı

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