CVE-2026-57221
Last modified
CVE-2026-57221 is a medium-severity vulnerability rated 5/10 on the CVSS scale. RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ does not perform authorization checks on passive queue.declare and exchange.declare AMQP 0-9-1 operations, allowing any authenticated user who can connect to a virtual host to enumerate queue and exchange names and read queue message and consumer counts. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ does not perform authorization checks on passive queue.declare and exchange.declare AMQP 0-9-1 operations, allowing any authenticated user who can connect to a virtual host to enumerate queue and exchange names and read queue message and consumer counts. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Rabbitmq Server | >= 3.13.0, < 4.2.6 |
References
- https://github.com/rabbitmq/rabbitmq-server/pull/16085Issue Tracking, Patch
- https://github.com/rabbitmq/rabbitmq-server/pull/16090Issue Tracking, Patch
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2Exploit, Vendor Advisory
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-57221?
How severe is CVE-2026-57221?
How do I fix CVE-2026-57221?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-57216RabbitMQ is a messaging and streaming broker. Prior to 3.13.…10
- CVE-2026-57217RabbitMQ is a messaging and streaming broker. Prior to 3.13.…6.5
- CVE-2026-57218RabbitMQ is a messaging and streaming broker. Prior to 4.2.6…6.5
- CVE-2026-57219RabbitMQ is a messaging and streaming broker. Prior to 3.13.…7.5
- CVE-2026-5722The MoreConvert Pro plugin for WordPress is vulnerable to Au…9.8
- CVE-2026-57220RabbitMQ is a messaging and streaming broker. Prior to 4.2.6…7.5
- CVE-2026-57230OpenReplay is a self-hosted session replay suite. Prior to 1…5.4
- CVE-2026-57231Podman is a tool for managing OCI containers and pods. From …7.5
- CVE-2026-57232Contao is an Open Source CMS. From 5.3.35 through 5.3.47 and…3.1
- CVE-2026-57234Nokogiri is an open source XML and HTML library for the Ruby…2.6
- CVE-2026-57235Nokogiri is an open source XML and HTML library for the Ruby…8.2
- CVE-2026-57236Nokogiri is an open source XML and HTML library for the Ruby…8.2
Are you affected by CVE-2026-57221?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
