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Known exploited vulnerabilities

Marimo vulnerabilities attackers have used

Every Marimo vulnerability in CISA's Known Exploited Vulnerabilities catalog, newest first, with the federal due date and whether it fed ransomware campaigns.

The short answer

CISA lists 1 Marimo vulnerability as exploited in the wild, 1 of them added in the last 12 months. The most recent is CVE-2026-39987, added Apr 23, 2026. Marimo has the most entries (1).

In KEV, all time
1
Added, last 12 months
1
Used in ransomware
0
New CVEs this week
0

Every Marimo entry in CISA KEV

  1. CVE-2026-39987

    Added · due

    Marimo Remote Code Execution Vulnerability

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

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