CVE-2026-15138

MEDIUMPre-NVD 6.36.3
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-09. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.3
EG Score
6.3(high)
EPSS
26.8%
KEV
Not listed

Published

July 9, 2026

Last Modified

July 9, 2026

Advisory Details (2)

Auto-updated Jul 9, 2026
No patch confirmed yet.
generic

[Security] "Arbitrary file read/write: path validation is a single "".."" substring check with no directory confinement" · Issue #22 · tumf/mcp-text-editor · GitHub

https://github.com/tumf/mcp-text-editor/issues/22
generic

GitHub - tumf/mcp-text-editor · GitHub

https://github.com/tumf/mcp-text-editor/

Vendor Advisories for CVE-2026-15138(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 22× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 02:26 UTCEG score recompute
  3. 2026-07-15 02:26 UTCGHSA enrichment
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-14 02:17 UTCEG score recompute
  6. 2026-07-14 02:17 UTCGHSA enrichment
  7. 2026-07-13 22:30 UTCEPSS rescore
  8. 2026-07-13 06:12 UTCEPSS rescore
  9. 2026-07-13 02:07 UTCEG score recompute
  10. 2026-07-13 02:07 UTCGHSA enrichment
  11. 2026-07-12 05:46 UTCEPSS rescore
  12. 2026-07-12 01:58 UTCEG score recompute
  13. 2026-07-12 01:57 UTCGHSA enrichment
  14. 2026-07-11 08:27 UTCEPSS rescore
  15. 2026-07-11 01:47 UTCEG score recompute
  16. 2026-07-11 01:47 UTCGHSA enrichment
  17. 2026-07-10 01:36 UTCEG score recompute
  18. 2026-07-10 01:36 UTCGHSA enrichment
  19. 2026-07-09 19:10 UTCEPSS rescore
  20. 2026-07-09 15:00 UTCNVD updateCVSS v4 → 2.1
  21. 2026-07-09 13:30 UTCMITRE cvelistV5CVSS v4 → 5.3
  22. 2026-07-09 02:56 UTCNVD updateCVSS v4 → 2.1
  23. 2026-07-09 01:26 UTCEG score recompute
  24. 2026-07-09 01:24 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15138?
CVE-2026-15138 is a medium vulnerability published on July 9, 2026. A security vulnerability has been detected in tumf mcp-text-editor up to 1.0.2. This issue affects the function validatefilepath of the file mcptexteditor/texteditor.py. Such manipulation of the argument file_path leads to path traversal. The attack can be launched remotely. The exploit has been…
When was CVE-2026-15138 disclosed?
CVE-2026-15138 was first published in the National Vulnerability Database on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15138 actively exploited?
CVE-2026-15138 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15138?
CVE-2026-15138 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-15138?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15138, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-15138

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