# marimo (PyPI) vulnerabilities

Source: https://junglewise.ai/threats/technologies/pypi-marimo  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/pypi-marimo.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in marimo (PyPI): 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-54386, was published on 17 June 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (1 critical, 1 exploited in the wild)

## About marimo (PyPI)

Python notebook environment with reactive execution and automatic dependency tracking for data analysis.

## Latest marimo (PyPI) vulnerabilities

- [CVE-2026-54386: marimo XSS via file query parameter in notebook page](https://junglewise.ai/threats/cve-2026-54386-marimo-xss-via-file-query-parameter-in-notebook-page) (medium, CVSS 6.1, published 17 Jun 2026)
- [CVE-2026-39987: Marimo: Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass](https://junglewise.ai/threats/cve-2026-39987-marimo-pre-auth-remote-code-execution-via-terminal-websocket) (critical, exploited in the wild, CVSS 9.8, published 8 Apr 2026)
- [marimo vulnerable to proxy abuse of /mpl/{port}/](https://junglewise.ai/threats/marimo-vulnerable-to-proxy-abuse-of-mpl-port-57847eda) (medium, CVSS 4, published 1 Oct 2025)

## Most severe marimo (PyPI) vulnerabilities

- [CVE-2026-39987: Marimo: Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass](https://junglewise.ai/threats/cve-2026-39987-marimo-pre-auth-remote-code-execution-via-terminal-websocket) (critical, exploited in the wild, CVSS 9.8, published 8 Apr 2026)
- [CVE-2026-54386: marimo XSS via file query parameter in notebook page](https://junglewise.ai/threats/cve-2026-54386-marimo-xss-via-file-query-parameter-in-notebook-page) (medium, CVSS 6.1, published 17 Jun 2026)
- [marimo vulnerable to proxy abuse of /mpl/{port}/](https://junglewise.ai/threats/marimo-vulnerable-to-proxy-abuse-of-mpl-port-57847eda) (medium, CVSS 4, published 1 Oct 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other PyPI technologies

- [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities
- [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities
- [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities
- [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities
- [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities
- [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities
- [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities
- [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities
- [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities
- [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities
- [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities
- [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "marimo (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/pypi-marimo, 13 November 2026.