Security Advisory

CVE-2026-52886

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-17 20:09:32

Last updated 2026-08-18 15:20:41

Assigner GitHub_M

CVSS score 5.1

State PUBLISHED

Description

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, Notepad++ validates the backupFilePath attribute from session.xml with std::wstring::starts_with against the expected backup directory without path normalization, allowing parent-directory sequences during snapshot-mode restoration to read an arbitrary user-readable file outside the backup directory into an editor tab. This issue is fixed in version 8.9.7.

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