Marimo Remote Code Execution Vulnerability

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• NewsExploited · CISA KEVMarimo · Marimo

  Marimo Remote Code Execution Vulnerability

  CVE-2026-39987

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

  CISA's required action · due 7 May 2026 for U.S. federal civilian agencies

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

  Cited by CISA: github.com · nvd.nist.gov

  Added to KEV 23 Apr 2026 · Source checked 4 Nov 2026, 16:35 UTC · CISA KEV entry

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