CVE-2026-67242

The rabbitmq-server messaging broker contains an authentication bypass vulnerability in versions 4.2.0 through 4.2.8 and 4.3.3 . When configured with OAuth 2.0 authentication, the software fails to properly validate token expiration timestamps if they are represented as floating-point numbers (pe...

CVE-2026-67242 RabbitMQ: OAuth2 is_integer(Exp) guard skips token-expiry checks for float exp

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, OAuth2 isintegerExp guard skips token-expiry checks for float exp. validatetokenexpiry/1 lines 208-214 and expirytimestamp/1 138-144 both guard with 'when isintegerExp' and fall through to ok/never for float values...

Linux Distros Unpatched Vulnerability : CVE-2026-67242

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.9 and 4.3.3, OAuth2 isintegerExp guard skips token-expiry checks for float exp...