# marimo (PyPI) vulnerabilities

2 known vulnerabilities (1 critical, 1 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 0.25.2 (Oct 19, 2026): no advisory affects it
- Newest unaffected release: 0.25.2 (Oct 19, 2026), the latest release
- Weekly downloads: 633K
- Dependents: 209
- Releases: 393 since 0.0.0 (Jan 27, 2022)
- Registry: https://pypi.org/project/marimo/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-54386: 0.0.0 to 0.23.8 (0.23.9 is outside it)
- CVE-2026-39987: 0.0.0 to 0.22.5 (0.23.0 is outside it)

## Advisories (2)

### [CVE-2026-54386](https://cve.now/CVE-2026-54386): marimo \< 0.23.9 XSS via file Query Parameter in assets.py

- Severity: Medium 5.1
- Published: Jun 17, 2026
- Affected: fixed in 0.23.9.
- Fixed in 0.23.9 (released Jun 4, 2026, 13 days before disclosure).
- The latest release, 0.25.2, is not affected.

### [CVE-2026-39987](https://cve.now/CVE-2026-39987): marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

- Severity: Critical 9.3 · KEV
- Published: Apr 9, 2026
- Affected: fixed in 0.23.0.
- Fixed in 0.23.0 (released Apr 8, 2026, 1 day before disclosure).
- The latest release, 0.25.2, is not affected.

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