Known vulnerability record
CVE-2026-39987
Marimo Remote Code Execution Vulnerability
Summary
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.
Signals
Keep the signals separate
CVSS severitycriticalScore 9.3 · source GitHub_M
EPSS probability96.6%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2026-04-23
Ransomware useunknownPreserved as known / unknown, not a truthy default
Timeline
Dates and provenance
- CVE published
- 2026-04-09
- CVE modified
- 2026-04-24
- KEV date added
- 2026-04-23
- Dataset fetched
- 2026-08-21T03:55:06.647Z
Sources
Original records
- https://www.cve.org/CVERecord?id=CVE-2026-39987 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-39987 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39987 ↗
Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.