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CVE-2026-57211 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:10 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-7v84-m3g5-vxq6	CISA-ADP	ExploitVendor Advisory
https://github.com/rabbitmq/rabbitmq-server/commit/39c3a8e9c71da0403d8dfc13f700e60c936e3682	[email protected]	Patch
https://github.com/rabbitmq/rabbitmq-server/commit/6730797f6a34b4e8308cea60adf1243857e70204	[email protected]	Patch
https://github.com/rabbitmq/rabbitmq-server/pull/15803	[email protected]	Issue TrackingPatch
https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6	[email protected]	Release Notes
https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-7v84-m3g5-vxq6	[email protected]	ExploitVendor Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-36	Absolute Path Traversal	[email protected]
CWE-918	Server-Side Request Forgery (SSRF)	[email protected]

Affected Products

Product	Versions
broadcom rabbitmq server	>= 4.1.0, < 4.2.6
CPE cpe:2.3:a:broadcom:rabbitmq_server:::::::: Remediation No remediation found in references.
microsoft windows	All versions
CPE cpe:2.3:o:microsoft:windows:-:::::::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 13, 2026	Initial Analysis	[email protected]
Jul 13, 2026	CVE Modified	CISA-ADP
Jul 10, 2026	New CVE Received	[email protected]