Unrated severityNVD Advisory· Published Jul 18, 2026
Debian rabbitmq-server: RabbitMQ is a messaging and streaming broker. Prior to 4.1.11 and 4.2.6 on Windo…
CVE-2026-57211
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.
Affected products
2- Range: <4.1.11, <4.2.6
- Range: <4.1.11, <4.2.6
Patches
Vulnerability mechanics
News mentions
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