CVE-2026-114230: Apache Qpid Proton C: Potential authentication bypass: regular AMQP frames can be sent as SASL frames
// AI summary
Apache Qpid Proton C through 0.40.0 has CVE-2026-114230, an authentication bypass where regular AMQP frames can be sent as SASL frames during peer authentication.
// from the source
Posted by Andrew Stitcher on Oct 28 Severity: important Affected versions: - Apache Qpid Proton C through 0.40.0 Description: When dispatching SASL frames to authenticate the peer, Proton will also dispatch AMQP frames if they claim to be SASL frames. This allows authentication bypass. However there will be no user name set so the effects depend on how the application deals with this condition - which otherwise means that authentication has not completed yet. This issue...