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CVE-2026-57221

MEDIUM
5.3
CVSS 4.0
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.

Metadata

CVE ID
CVE-2026-57221
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-24 02:21 UTC
Published
2026-07-10 20:24 UTC
Last updated
2026-07-10 20:24 UTC
Primary CWE
CWE-862
CWE-862: Missing Authorization
Vendor / Product
rabbitmq / rabbitmq-server
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 4.0
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
Affected products (1)
VendorProductPlatformVersions
rabbitmq rabbitmq-server — >= 4.2.0, < 4.2.6, >= 4.1.0, < 4.1.11, >= 4.0.0, < 4.0.21, >= 3.13.0, < 3.13.15
Weakness (CWE)
CWESourceDescription
CWE-862 cna CWE-862: Missing Authorization
CVSS scores (1)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 4.0 cna 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
References (6)
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