CVE-2026-44839

RabbitMQ: Unsanitized vhost names allow for XSS in management UI

Published May 27, 2026 CVSS 4.0 · 5.6 Medium EPSS < 1% KEV · Not listed
Description
RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13, This vulnerability is fixed in 4.1.2 and 4.0.13.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Broadcom
Broadcom rabbitmq Server
CPEs cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*
Vendors & Products Broadcom
Broadcom rabbitmq Server
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Rabbitmq
Rabbitmq rabbitmq-server
Vendors & Products Rabbitmq
Rabbitmq rabbitmq-server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13, This vulnerability is fixed in 4.1.2 and 4.0.13.
Title RabbitMQ: Unsanitized vhost names allow for XSS in management UI
Weaknesses CWE-80
References
Metrics cvssV4_0

{'score': 5.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 27, 2026, 3:47 PM
Reserved
May 7, 2026, 9:21 PM
Status
Analyzed
Published
May 27, 2026, 3:16 PM
Modified
Oct 26, 2026, 11:10 AM