CVE-2026-57214
Description
RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-internal-purpose queue or exchange argument into an HTML title attribute without proper escaping on the Queues and Exchanges pages, allowing a user with permission to declare a queue or exchange to execute JavaScript in another user's browser. This issue is fixed in version 4.2.5.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/rabbitmq/rabbitmq-server/commit/b0027b6c1ae5b869d876e211efe6189ffd92b5c2
- https://github.com/rabbitmq/rabbitmq-server/commit/b267a290dd89e42c6e0256f46fc273a8adb7f3ec
- https://github.com/rabbitmq/rabbitmq-server/pull/15606
- https://github.com/rabbitmq/rabbitmq-server/pull/15608
- https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-6jfq-prw2-7rwp
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.