CVE-2026-39987—Marimo Remote Code Execution Vulnerability

Vulnerability Name

Marimo Remote Code Execution Vulnerability

Description

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

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

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

Related News Articles

• New NadMesh Botnet Hunts Exposed AI Services for Cloud Keys and Kubernetes TokensJuly 17, 2026
• Researchers Build Self-Replicating AI Worm That Operates Entirely on Local, Open-Weight ModelsJune 9, 2026
• Attackers Use LLM Agent for Post-Exploitation After Marimo CVE-2026-39987 ExploitMay 29, 2026

Related Weaknesses

• CWE-306