CVE-2026-57233: Notepad++: Path Traversal (Zip Slip) in WinGup Plugin Extraction
Affected: notepad-plus-plus · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 44% of scored CVEs
DescriptionCVE.org
Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the WinGup decompress function joins untrusted ZIP entry names to unzipDestTo without canonical containment validation, allowing an entry such as ../mimeTools/mimeTools.dll to overwrite a DLL in a sibling plugin directory and execute attacker-controlled code when Notepad++ next loads that plugin. This issue is fixed in version 8.9.7.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- notepad-plus-plus · notepad-plus-plus< 8.9.7
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- notepad-plus-plus
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-57233 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-22cwe.mitre.org
- github.com/notepad-plus-plus/notepad-plus-plus/security/advisorigithub.com
- github.com/notepad-plus-plus/wingup/pull/106github.com
- github.com/notepad-plus-plus/wingup/commit/7670296a5c7fdec624e0agithub.com
- github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9github.com