{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-57233", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-24T02:21:33.811Z", "datePublished": "2026-08-17T20:10:37.698Z", "dateUpdated": "2026-08-18T18:53:27.639Z" }, "containers": { "cna": { "title": "Notepad++: Path Traversal (Zip Slip) in WinGup Plugin Extraction", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H", "version": "3.1" } } ], "references": [ { "name": "https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-hjxw-84rf-wg5r", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-hjxw-84rf-wg5r" }, { "name": "https://github.com/notepad-plus-plus/wingup/pull/106", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/notepad-plus-plus/wingup/pull/106" }, { "name": "https://github.com/notepad-plus-plus/wingup/commit/7670296a5c7fdec624e0a45dbde51059a7d735a8", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/notepad-plus-plus/wingup/commit/7670296a5c7fdec624e0a45dbde51059a7d735a8" }, { "name": "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.7", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/tag/v8.9.7" } ], "affected": [ { "vendor": "notepad-plus-plus", "product": "notepad-plus-plus", "versions": [ { "version": "< 8.9.7", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-17T20:10:37.698Z" }, "descriptions": [ { "lang": "en", "value": "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." } ], "source": { "advisory": "GHSA-hjxw-84rf-wg5r", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-hjxw-84rf-wg5r", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-18T18:53:21.586615Z", "id": "CVE-2026-57233", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-18T18:53:27.639Z" } } ] } }