tumf mcp-text-editor text_editor.py _validate_file_path path traversal (CVE-2026-15138) | HOL Guard CVE

Medium · CVSS 6.3CVE-2026-15138

tumf mcp-text-editor text_editor.py _validate_file_path path traversal

Answer in brief

CVE-2026-15138 records a Medium severity (CVSS 6.3) vulnerability in tumf mcp-text-editor text_editor.py _validate_file_path path traversal. The current sources do not mark it as known exploited. The current feed maps tumf/mcp-text-editor (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 9, 2026Updated Jul 9, 2026Source checked Sep 19, 2026First seen by HOL Jul 9, 2026Material review Jul 9, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps tumf/mcp-text-editor (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
tumf/mcp-text-editorgeneric	1.0.0 \|\| 1.0.1 \|\| 1.0.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for tumf/mcp-text-editor.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jul 9, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.