🛡️ CVE-2026-57219 — rabbitmq-server

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-200 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the obsolete GET /api/auth endpoint can disclose the OAuth 2 client secret on RabbitMQ installations configured with management.oauth_client_secret, exposing credentials to unauthenticated callers when the management plugin and that OAuth configuration are enabled. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, 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 none, availability none.

Weakness class

CVE-2026-57219 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2026-57219 is recorded against 1 package.

  • rabbitmq-server (from 3.13.0 up to 4.2.6)

Timeline and source

Published on 10 July 2026 and last revised on 29 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
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Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2026-07-10
Updated 2026-08-11
Modified 2026-07-29

Affected Packages

Software From version Fixed in
rabbitmq-server 3.13.0 4.2.6

Similar Threats

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