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Vulnerability disclosure

Proxy handling bypasses loopback-only authentication

CVE-2026-57216

Affected product
RabbitMQ
Severity
Medium
CVSS
6.8
Weakness
CWE-290
Published

Disclosure summary

Cantina identified and human-verified this vulnerability in RabbitMQ. The finding was coordinated with the affected maintainer through responsible disclosure before publication.

Proxy handling bypasses loopback-only authentication.

Verification standard

Cantina publishes a disclosure only after reproducing the behavior, validating its security impact, and coordinating remediation with the affected project.