CVE-2026-44839

Publication date 27 May 2026

Last updated 8 June 2026

Ubuntu priority

Cvss 3 Severity Score

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.

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Base score 5.6 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	High
Attack requirements	None
Privileges required	High
User interaction	Active
Vulnerable system - Confidentiality impact	High
Vulnerable system - Integrity impact	None
Vulnerable system - Availability impact	None
Subsequent system - Confidentiality impact	None
Subsequent system - Integrity impact	None
Subsequent system - Availability impact	None

Scores

Parameter	Value
Base score	5.6 · Medium
Base + Threat score	-
Base + Environmental score	-
Base + Threat + Environmental score	-

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

Base score 4.8 · Medium

Base metrics

Scores

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