Insecure Session Management

github.com/ory/fosite uses insecure session management. The vulnerability exists as it fails to validate the uniqueness of this jti value in privatekeyjwt client authentication method, allowing an attacker to send the same token request twice with the same jti assertion to get two access tokens...

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...