CVE-2026-117859

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...

CVE-2026-117859 Keycloak-services: keycloak-services: par single-use bypass via flow restart

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...

CVE-2026-117859

A flaw exists in the Pushed Authorization Request (PAR) implementation of the keycloak-services component. When an authentication flow is restarted, the system incorrectly clears internal markers used to track PAR consumption while keeping the request active. This allows an attacker to reuse the ...

CLEANSTART-2026-VE39696 Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from...

Security vulnerability affects the wildfly package. Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent toke...

CVE-2026-73179

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

CVE-2026-73179 Apache CXF: JPA authorization-code consume is non-atomic

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

EUVD-2026-95695

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

CVE-2026-73179

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

CVE-2026-73179

The Apache CXF JPA OAuth2 authorization code grant provider is vulnerable to a race condition due to non-atomic find-then-delete operations on a shared relational database under READ_COMMITTED isolation. A remote attacker can exploit this to obtain multiple valid access tokens from a single autho...

CVE-2026-73179 Apache CXF: JPA authorization-code consume is non-atomic

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

CVE-2026-73179 Apache CXF: JPA authorization-code consume is non-atomic

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

CVE-2026-73179: Time-of-check Time-of-use (TOCTOU) Race Condition

Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider in Apache CXFallows a remote attacker to obtain multiple valid access tokens from a single authorization code via concurrent token exchange requests that race the non-atomic...

PT-2026-108815

Name of the Vulnerable Software and Affected Versions Apache CXF versions prior to 4.2.4 Apache CXF versions prior to 4.1.9 Apache CXF versions prior to 3.6.13 Description Improper enforcement of single-use authorization code semantics in the JPA OAuth2 authorization code grant provider allows a...

CVE-2026-57818

A Time-of-check Time-of-use (TOCTOU) race condition exists in the JCacheCodeDataProvider component of Apache CXF (specifically within cxf-rt-rs-security-oauth2). This flaw allows a remote attacker to perform an authorization code replay by submitting concurrent requests to redeem a single authori...

CVE-2026-57818

A race condition in JCacheCodeDataProvider allows an attacker to redeem a single authorization code multiple times via concurrent requests, resulting in the issuance of multiple distinct, valid access tokens. Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issu...

CVE-2026-57818: Time-of-check Time-of-use (TOCTOU) Race Condition

A race condition in JCacheCodeDataProvider allows an attacker to redeem a single authorization code multiple times via concurrent requests, resulting in the issuance of multiple distinct, valid access tokens. Users are recommended to upgrade to versions 4.2.3, 4.1.8 or 3.6.12, which fix this issu...

PT-2026-68472

Name of the Vulnerable Software and Affected Versions versions prior to 4.2.3 versions prior to 4.1.8 versions prior to 3.6.12 Description A race condition in JCacheCodeDataProvider allows an attacker to redeem a single authorization code multiple times by sending concurrent requests. This leads ...

CVE-2026-1035

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. Thi...

CVE-2026-1035: Time-of-check Time-of-use (TOCTOU) Race Condition

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. Thi...