CVE-2026-15138 tumf mcp-text-editor text_editor.py _validate_file_path path traversal
Remote attackers can exploit a path traversal flaw in the tumf mcp-text-editor library to read or modify arbitrary files on the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-15138?
CVE-2026-15138 is a medium-severity path traversal vulnerability in tumf mcp-text-editor, published on 9 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-15138?
How do I fix CVE-2026-15138?
No fix has been published for CVE-2026-15138 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-15138 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15138 exists.
Sources
Also known as GHSA-mh32-g5q6-4x93.