{"apiVersion":"1.0","identifier":"CVE-2026-57233","description":"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.","publishedAt":"2026-08-17T20:16:44","lastModifiedAt":"2026-08-18T19:16:58","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-57233","cvssScore":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","epssProbability":0.0048,"riskScore":0.84,"affectedProduct":"Notepad++","affectedVersions":"<8.9.7","vulnerabilityType":"Other","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-57233","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-57233","en":"https://www.redsauce.net/en/cves/CVE-2026-57233","fr":"https://www.redsauce.net/fr/cves/CVE-2026-57233","pt":"https://www.redsauce.net/pt/cves/CVE-2026-57233","de":"https://www.redsauce.net/de/cves/CVE-2026-57233","sk":"https://www.redsauce.net/sk/cves/CVE-2026-57233","el":"https://www.redsauce.net/el/cves/CVE-2026-57233"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-57233"}}