CVE-2026-44839

MEDIUM

RabbitMQ: Unsanitized vhost names allow for XSS in management UI

Title source: cna

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.

Core 2

Core References

X_Refsource_Confirm x_refsource_confirm

X_Refsource_Misc x_refsource_misc

CVSS v3 4.8

EPSS 0.0017

EPSS Percentile 6.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

CWE

CWE-80

Status published

Products (3)

broadcom/rabbitmq_server 3.7.0 - 4.0.13

rabbitmq/rabbitmq-server >= 3.7.0, < 4.0.13

rabbitmq/rabbitmq-server >= 4.1.0-alpha, < 4.1.2

Published May 27, 2026

Tracked Since May 27, 2026