CVE-2026-39987

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

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

CISA Known Exploited Vulnerability

Vendor / Product Marimo — Marimo
Date Added 2026-04-23
Remediation Due 2026-05-07
https://github.com/marimo-team/marimo/security/advisories/GHSA-2679-6mx9-h9xc ; https://nvd.nist.gov/vuln/detail/CVE-2026-39987

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

99.56%
Raw Score 0.995640
Percentile 99.9%
Date 2026-10-28

Intelligence Sources

kev ref →