🛡️ CVE-2026-57211 — rabbitmq-server

🟡 CVSS 6.5 — Medium ⚠️ Exploit Public CWE-36 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity low, availability none.

Affected software

CVE-2026-57211 is recorded against 1 package.

  • rabbitmq-server (from 4.1.0 up to 4.2.6)

Timeline and source

Published on 10 July 2026 and last revised on 13 July 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
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Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE CWE-36
Public Exploit ⚠️ Yes
Source NVD
Published 2026-07-10
Updated 2026-08-11
Modified 2026-07-13

Affected Packages

Software From version Fixed in
rabbitmq-server 4.1.0 4.2.6

Similar Threats

Exploit Protection

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CVE-2026-57211 carries CVSS 6.5 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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