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.
CVE-2026-15138
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.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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[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/22Vendor 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.
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 02:26 UTCEG score recompute
- 2026-07-15 02:26 UTCGHSA enrichment
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-14 02:17 UTCEG score recompute
- 2026-07-14 02:17 UTCGHSA enrichment
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-13 02:07 UTCEG score recompute
- 2026-07-13 02:07 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-12 01:58 UTCEG score recompute
- 2026-07-12 01:57 UTCGHSA enrichment
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 01:47 UTCEG score recompute
- 2026-07-11 01:47 UTCGHSA enrichment
- 2026-07-10 01:36 UTCEG score recompute
- 2026-07-10 01:36 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 15:00 UTCNVD updateCVSS v4 → 2.1
- 2026-07-09 13:30 UTCMITRE cvelistV5CVSS v4 → 5.3
- 2026-07-09 02:56 UTCNVD updateCVSS v4 → 2.1
- 2026-07-09 01:26 UTCEG score recompute
- 2026-07-09 01:24 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-15138?
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Is CVE-2026-15138 actively exploited?
What is the CVSS score of CVE-2026-15138?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-15138
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