{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42214", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-25T05:04:37.028Z", "datePublished": "2026-05-07T18:14:20.246Z", "dateUpdated": "2026-05-07T19:00:57.276Z"}, "containers": {"cna": {"title": "Improper Control of Generation of Code ('Code Injection') in dail8859/NotepadNext", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/dail8859/NotepadNext/security/advisories/GHSA-m5fq-c9x5-w54g", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/dail8859/NotepadNext/security/advisories/GHSA-m5fq-c9x5-w54g"}, {"name": "https://github.com/dail8859/NotepadNext/commit/f3ca1b10aca52f05fd7f4f5ebf9b566d6cd95ccc", "tags": ["x_refsource_MISC"], "url": "https://github.com/dail8859/NotepadNext/commit/f3ca1b10aca52f05fd7f4f5ebf9b566d6cd95ccc"}, {"name": "https://github.com/dail8859/NotepadNext/releases/tag/v0.14", "tags": ["x_refsource_MISC"], "url": "https://github.com/dail8859/NotepadNext/releases/tag/v0.14"}], "affected": [{"vendor": "dail8859", "product": "NotepadNext", "versions": [{"version": "< 0.14", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-07T18:14:20.246Z"}, "descriptions": [{"lang": "en", "value": "Notepad Next is a cross-platform, reimplementation of Notepad++. Prior to version 0.14, NotepadNext's detectLanguageFromExtension() function interpolates a file's extension directly into a Lua script without sanitization. An attacker can craft a filename whose extension contains Lua code, which executes automatically when the victim opens the file in NotepadNext. Because luaL_openlibs() is called unconditionally, the full os, io, and package libraries are available to the injected code, enabling arbitrary command execution. This issue has been patched in version 0.14."}], "source": {"advisory": "GHSA-m5fq-c9x5-w54g", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/dail8859/NotepadNext/security/advisories/GHSA-m5fq-c9x5-w54g", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-07T19:00:40.324092Z", "id": "CVE-2026-42214", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-07T19:00:57.276Z"}}]}}

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