CVE-2026-44839

RabbitMQ: Unsanitized vhost names allow for XSS in management UI

CVSS 5.6 MEDIUMEPSS 0.2%CWE-80

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.6EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

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References