# CVE-2026-39987: A Marimo bug is being used in attacks

Status: Being used now (CISA KEV, added 2026-04-23)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Marimo Marimo (CVE-2026-39987) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2026-39987. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
Marimo contains an pre-authorization remote code execution vulnerability, allowing an unauthenticated attacked to shell access and execute arbitrary system commands.

## Sources
- https://github.com/marimo-team/marimo/security/advisories/GHSA-2679-6mx9-h9xc
- https://nvd.nist.gov/vuln/detail/CVE-2026-39987
- https://nvd.nist.gov/vuln/detail/CVE-2026-39987

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.