Vulnerability · Published May 5, 2026 · Assigned by VulDB

CVE-2026-7810UsamaK98 python-notebook-mcp server.py add_cell path traversal

High 7.3

In plain English

A high-severity path traversal in python-notebook-mcp from UsamaK98. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.4%top 64.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
UsamaK98	python-notebook-mcp	a05a232815809a7e425b5fa7be26e0d4369894c2

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-361070 | UsamaK98 python-notebook-mcp server.py add_cell path traversal vdb-entry, technical-description
VDB-361070 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #807748 | UsamaK98 python-notebook-mcp a05a232815809a7e425b5fa7be26e0d4369894c2 Path Traversal third-party-advisory
https://github.com/UsamaK98/python-notebook-mcp/issues/5 exploit, issue-tracking
https://github.com/UsamaK98/python-notebook-mcp/ product