3 vulnerabilities in RabbitMQ, the open-source message broker widely used in microservices architectures, finance, and e-commerce systems. CVE-2026-67415: Atom exhaustion via the Shovel plugin, pushing the broker into prolonged DoS, requires a restart. CVE-2026-67366: The Federation plugin skips vhost permission checks, allowing cross-tenant access. CVE-2026-67408: Super Streams exhausts resources before the permission check, hanging the node or causing DoS. Patches are available. Found by CyStack researchers. Details at https://cystack.net/disclosures #CyStack #CyberSecurity #Vulnerability #RabitMQ #InfoSec
Post summary
The post announces three new CVE disclosures in RabbitMQ, provides brief technical details, notes available patches, but offers no PoC or active exploitation evidence.