CVE-2026-15138

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.2% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-07-09.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-09 00:15Z1 MO AGO

Last updated

2026-07-09 12:52Z1 MO AGO

Reserved

2026-07-08

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

cb1f760f9849055be6c66fe3e5c264ebedae418a95e37cea50d1977534f84e8c

• vuldb.comVDB-376953 | tumf mcp-text-editor text_editor.py _validate_file_path path traversalhttps://vuldb.com/vuln/376953vdb-entrytechnical-description
• vuldb.comVDB-376953 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/376953/ctisignaturepermissions-required
• vuldb.comCVE-2026-15138 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-15138third-party-advisory
• vuldb.comSubmit #851188 | Tumf mcp-text-editor 1.0.2 Path Traversalhttps://vuldb.com/submit/851188third-party-advisory
• github.comhttps://github.com/tumf/mcp-text-editor/issues/22exploitissue-tracking
• github.comhttps://github.com/tumf/mcp-text-editor/product