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.
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
Published: 2026-02-12
Updated: 2026-02-13
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Severity: Medium
Base Score: 7.1
Vector: 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
Severity: High
EPSS: 0.00036