A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This could lead to unauthorized access or account compromise.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and
    namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which
    can enable the replay of consumed action tokens, such as password reset links. This could lead to
    unauthorized access or account compromise. (CVE-2026-4325)

ID	Name	Product	Family	Type	Severity
460589	Echo: org.keycloak:keycloak-services: security update to 26.5.7	Tenable Cloud Security	Echo Local Security Checks	Local	medium
460589	Echo: org.keycloak:keycloak-services: security update to 26.5.7	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
439852	SCA: security update for org.keycloak:keycloak-services (GHSA-rx66-hj7g-28h7)	Tenable Cloud Security	SCA Checks	Local	medium
439852	SCA: security update for org.keycloak:keycloak-services (GHSA-rx66-hj7g-28h7)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium

Detections

Analytics

CVE-2026-4325

medium

Tenable Plugins

medium

medium

medium

medium