CVE-2026-25768

LavinMQ is missing vhost access control

State: Published
Severity: 7.1 High
Published: Feb 12, 2026
Updated: Feb 12, 2026
Reserved: Feb 5, 2026

Description

LavinMQ is a high-performance message queue & streaming server. Before 2.6.6, an authenticated user could access metadata in the broker they should not have access to. This vulnerability is fixed in 2.6.6.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
lavinmqcloudamqp	< 2.6.6Affected

References

https://github.com/cloudamqp/lavinmq/security/advisories/GHSA-r2mh-8vq6-qf7m
https://github.com/cloudamqp/lavinmq/pull/1669
https://github.com/cloudamqp/lavinmq/commit/e871f8d0a53685f04e39e6410a2421c1f82803b0

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