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::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.

CVSS

No CVSS.

References

Link	Resource
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/7e66f36db666a13b09fb5c31232ab2ca1c2ebccc
https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.7
https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-rqfm-pw34-r7j6
https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-rqfm-pw34-r7j6

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-17 20:16

Updated : 2026-09-09 21:11

NVD link : CVE-2026-52886

Mitre link : CVE-2026-52886

CVE.ORG link : CVE-2026-52886

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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