Vulnerability · Published Jul 9, 2026 · Assigned by VulDB

CVE-2026-15138tumf mcp-text-editor text_editor.py _validate_file_path path traversal

Medium 6.3

In plain English

A medium-severity path traversal in mcp-text-editor from tumf. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.5%top 56.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in tumf mcp-text-editor up to 1.0.2. This issue affects the function _validate_file_path of the file mcp_text_editor/text_editor.py. Such manipulation of the argument file_path leads to path traversal. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor closed the GitHub issue for this vulnerability without any explanation.

Affected products (as reported)

Vendor	Product	Versions
tumf	mcp-text-editor	1.0.01.0.11.0.2

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

References

VDB-376953 | tumf mcp-text-editor text_editor.py _validate_file_path path traversal vdb-entry, technical-description
VDB-376953 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-15138 | CVE Analysis and Report third-party-advisory
Submit #851188 | Tumf mcp-text-editor 1.0.2 Path Traversal third-party-advisory
https://github.com/tumf/mcp-text-editor/issues/22 exploit, issue-tracking
https://github.com/tumf/mcp-text-editor/ product