CVE-2026-52886

Path Traversal: Bypass de verificación de prefijo startswith Notepad++ — Lectura arbitraria de archivos mediante traversal debackupFilePath en session.xml Aviso GHSA: GHSA-rqfm-pw34-r7j6 CVE: CVE-2026-52886 Gravedad: Moderada Afectado: v8.9.6.4 Corregido: v8.9.7 Commit del parche: 7e66f36 Archivo...

CVE-2026-52886

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::startswith against the expected backup directory without path normalization, allowing parent-directory sequences during snapshot-mode...

CVE-2026-52886

Notepad++ versions before 8.9.7 use std::wstring::starts_with to validate the backupFilePath attribute in session.xml during snapshot-mode restoration without path normalization, allowing .. sequences to read arbitrary user-readable files outside the backup directory into an editor tab. CVSS 5.1 ...

CVE-2026-52886 Notepad++: session.xml backupFilePath starts_with Bypass

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::startswith against the expected backup directory without path normalization, allowing parent-directory sequences during snapshot-mode...