CVE-2026-57817

The OpenID Connect Core 1.0 specification mandates that the RP MUST validate the chash parameter when operating in the Hybrid Flow. If an Apache CXF RP is integrated with a non-compliant or misconfigured Identity Provider IdP that omits the chash, the RP becomes vulnerable to Authorization Code...

CVE-2025-27370

OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the privatekeyjwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issu...

CVE-2025-27370

OpenID Connect Core through 1.0 errata set 2 allows audience injection in certain situations. When the privatekeyjwt authentication mechanism is used, a malicious Authorization Server could trick a Client into writing attacker-controlled values into the audience, including token endpoints or issu...

Token reuse in Ory fosite

Impact When using client authentication method "privatekeyjwt" 1https://openid.net/specs/openid-connect-core-10.htmlClientAuthentication, OpenId specification says the following about assertion jti: A unique identifier for the token, which can be used to prevent reuse of the token. These tokens...