CVEvulnerability
CVE-2026-57216
10.0 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-07-10
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- CVSS 3.1 ([email protected])
- 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-287
Description
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, AMQP 0-9-1, AMQP 1.0, and Stream Protocol authentication can allow a loopback-restricted user such as guest to connect remotely when traffic is accepted through a trusted PROXY-protocol path and the backend listener is loopback-bound because the loopback check uses the listener-side socket address instead of the real client source. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.
Affected configurations
• broadcom rabbitmq server (>= 3.13.0 < 3.13.15)
• broadcom rabbitmq server (>= 4.0.0 < 4.0.20)
• broadcom rabbitmq server (>= 4.1.0 < 4.1.11)
• broadcom rabbitmq server (>= 4.2.0 < 4.2.6)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://github.com/rabbitmq/rabbitmq-server/commit/7273c9eb6920abcde17b892dbe97ccaf906ead47 Patch
- https://github.com/rabbitmq/rabbitmq-server/commit/9f8c39fcf0acbc43080ee7017a62a02832114112 Patch
- https://github.com/rabbitmq/rabbitmq-server/pull/15936 Issue Tracking, Patch
- https://github.com/rabbitmq/rabbitmq-server/pull/15940 Issue Tracking, Patch
- https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6 Release Notes
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-36m6-588r-vqcw Exploit, Vendor Advisory
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-36m6-588r-vqcw Exploit, Vendor Advisory