{"id":"CVE-2026-48778","state":"PUBLISHED","title":"Notepad++: Arbitrary Code Execution via config.xml commandLineInterpreter","description":"Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the <GUIConfig name=\"commandLineInterpreter\"> tag in config.xml is read by NppXml::value() (Parameters.cpp:6430) and stored in _nppGUI._commandLineInterpreter without any validation, whitelist, or digital signature check. When the user triggers IDM_FILE_OPEN_CMD (File → Open Containing Folder → cmd), NppCommands.cpp:228 creates a Command object with this value and calls run(), which invokes ShellExecute (RunDlg.cpp:221) with the attacker-controlled string as the executable path. This vulnerability is fixed in 8.9.6.1.","publishedAt":"2026-06-26T20:21:17.254Z","updatedAt":"2026-06-29T13:11:06.515Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["notepad-plus-plus notepad-plus-plus"],"affected":[{"vendor":"notepad-plus-plus","product":"notepad-plus-plus","versions":[{"version":"< 8.9.6.1","status":"affected"}]}],"references":["https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-7hm3-wp5q-ccv9","https://github.com/notepad-plus-plus/notepad-plus-plus/commit/24c7b5c63cece76dbc8c4f2607a27ebfe22fa614"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48778.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48778","state":"PUBLISHED","datePublished":"2026-06-26T20:21:17.254Z","dateUpdated":"2026-06-29T13:11:06.515Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-22T20:18:20.365Z"},"containers":{"cna":{"title":"Notepad++: Arbitrary Code Execution via config.xml commandLineInterpreter","descriptions":[{"lang":"en","value":"Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the <GUIConfig name=\"commandLineInterpreter\"> tag in config.xml is read by NppXml::value() (Parameters.cpp:6430) and stored in _nppGUI._commandLineInterpreter without any validation, whitelist, or digital signature check. When the user triggers IDM_FILE_OPEN_CMD (File → Open Containing Folder → cmd), NppCommands.cpp:228 creates a Command object with this value and calls run(), which invokes ShellExecute (RunDlg.cpp:221) with the attacker-controlled string as the executable path. This vulnerability is fixed in 8.9.6.1."}],"affected":[{"vendor":"notepad-plus-plus","product":"notepad-plus-plus","versions":[{"version":"< 8.9.6.1","status":"affected"}]}],"references":[{"url":"https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-7hm3-wp5q-ccv9","name":"https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-7hm3-wp5q-ccv9","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/notepad-plus-plus/notepad-plus-plus/commit/24c7b5c63cece76dbc8c4f2607a27ebfe22fa614","name":"https://github.com/notepad-plus-plus/notepad-plus-plus/commit/24c7b5c63cece76dbc8c4f2607a27ebfe22fa614","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-26T20:21:17.254Z"},"source":{"advisory":"GHSA-7hm3-wp5q-ccv9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-7hm3-wp5q-ccv9","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-29T13:09:56.846745Z","id":"CVE-2026-48778","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-29T13:11:06.515Z"}}]}}}