What it is
Marimo contains an pre-authorization remote code execution vulnerability, allowing an unauthenticated attacked to shell access and execute arbitrary system commands.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
- github.com/marimo-team/marimo/security/advisories/GHSA-2679-6mx9-h9xc
- nvd.nist.gov/vuln/detail/CVE-2026-39987
Description and required action as published by CISA. Full record at NVD.