CVE-2026-25866

MobaXterm < 26.1 Notepad++ Unquoted Service Path

Published Mar 9, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
MobaXterm versions prior to 26.1 contain an uncontrolled search path element vulnerability. The application calls WinExec to execute Notepad++ without a fully qualified executable path when opening remote files. An attacker can exploit the search path behavior by placing a malicious executable earlier in the search order, resulting in arbitrary code execution in the context of the affected user.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mobatek:mobaxterm:*:*:*:*:home:*:*:*
Type Values Removed Values Added
CPEs cpe:2.3:a:mobatek:mobaxterm:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Mobatek
Mobatek mobaxterm
Vendors & Products Mobatek
Mobatek mobaxterm
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description MobaXterm versions prior to 26.1 contain an uncontrolled search path element vulnerability. The application calls WinExec to execute Notepad++ without a fully qualified executable path when opening remote files. An attacker can exploit the search path behavior by placing a malicious executable earlier in the search order, resulting in arbitrary code execution in the context of the affected user.
Title MobaXterm < 26.1 Notepad++ Unquoted Service Path
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 11, 2026, 1:57 PM
Reserved
Feb 6, 2026, 7:12 PM
Status
Analyzed
Published
Mar 9, 2026, 4:16 PM
Modified
Jun 17, 2026, 10:25 AM