Vulnerability DatabaseWS-2026-0002
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WS-2026-0002
February 01, 2026
Notepad++ versions prior to v8.8.9 failed to sufficiently verify digital signatures of update installers. This flaw allowed remote attackers to intercept update traffic and deliver malicious binaries by exploiting compromised hosting infrastructure.
Affected Packages
https://github.com/notepad-plus-plus/notepad-plus-plus.git (GITHUB):
Affected version(s) >=v4.2.1 <v8.8.9
Fix Suggestion:
Update to version v8.8.9
Related Resources (1)
https://notepad-plus-plus.org/news/hijacked-incident-info-update/
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CVSS v4
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Download of Code Without Integrity Check
CWE-494