CVE-2026-67404 RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...

CVE-2026-67404 RabbitMQ: OAuth2 silent verify_none fallback for JWKS fetch

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, When no CA bundle is available, ssloptions/1 falls back to verify, verifynone with no warning. An attacker in a man-in-the-middle position can forge the JWKS response, which leads the broker...