CVE-2026-39987 — Marimo Remote Code Execution Vulnerability
CVE-2026-39987: Marimo Remote Code Execution Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Marimo |
| Product | Marimo |
| Date added | 2026-04-23 |
| Due date | 2026-05-07 |
| Ransomware campaign use | Unknown |
Description
Marimo contains an pre-authorization remote code execution vulnerability, allowing an unauthenticated attacked to shell access and execute arbitrary system commands.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://github.com/marimo-team/marimo/security/advisories/GHSA-2679-6mx9-h9xc ; https://nvd.nist.gov/vuln/detail/CVE-2026-39987
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-39987
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog