CVE-2026-57211
RabbitMQ: UNC SSRF affecting the management UI on Windows
CVSS Score
6.5
EPSS Score
0.3%
EPSS Percentile
20th
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.
| CWE | CWE-36 CWE-918 |
| Vendor | rabbitmq |
| Product | rabbitmq-server |
| Published | Jul 10, 2026 |
| Last Updated | Jul 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
rabbitmq / rabbitmq-server
>= 4.2.0, < 4.2.6 >= 4.1.0, < 4.1.11
References
github.com: https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-7v84-m3g5-vxq6 github.com: https://github.com/rabbitmq/rabbitmq-server/pull/15803 github.com: https://github.com/rabbitmq/rabbitmq-server/commit/39c3a8e9c71da0403d8dfc13f700e60c936e3682 github.com: https://github.com/rabbitmq/rabbitmq-server/commit/6730797f6a34b4e8308cea60adf1243857e70204 github.com: https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6