Description
RabbitMQ is a messaging and streaming broker. Prior to 4.1.11 and 4.2.6 on Windows, the RabbitMQ management plugin static file handler rabbit_mgmt_wm_static can pass URL-encoded backslashes to erl_prim_loader:read_file_info before path validation when multiple management extension plugins are enabled, causing outbound DNS and SMB requests to attacker-controlled UNC paths. This issue is fixed in versions 4.1.11 and 4.2.6.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-57211 ↗
- github.com/rabbitmq/rabbitmq-server/commit/39c3a8e9c71da0403d8dfc13f700e60c936e3682 ↗
- github.com/rabbitmq/rabbitmq-server/commit/6730797f6a34b4e8308cea60adf1243857e70204 ↗
- github.com/rabbitmq/rabbitmq-server/pull/15803 ↗
- github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6 ↗
- github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-7v84-m3g5-vxq6 ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.