Marimo Remote Code Execution Vulnerability

Critical Listed in CISA KEV

CVECVE-2026-39987

First seen2026-04-23 00:00 UTC

Disclosed2026-04-23 00:00 UTC

Last updated2026-07-14 19:45 UTC

Channel statuspending_review

Summary

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

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

Marimo:Marimo

Sources

CISA KEV DATABASE

Original Links

https://nvd.nist.gov/vuln/detail/CVE-2026-39987 advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
https://github.com/marimo-team/marimo/security/advisories/GHSA-2679-6mx9-h9xc reference

Timeline

2026-04-23 kev_added CISA KEV
2026-07-14 kev_ingest CISA KEV