CVE-2026-44839 MEDIUM

CVE-2026-44839: RabbitMQ: Unsanitized vhost names allow for XSS in management UI

Vendor Rabbitmq
Product rabbitmq-server
Weakness CWE-80 · XSS · basic
Published May 27, 2026
Last update May 27, 2026
View on NVD All CVEs

CVSS base score

5.6/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
May 27, 2026 Record updated