{"id":"CVE-2026-48700","aliases":["DEBIAN-CVE-2026-48700","EUVD-2026-31487","GHSA-j7mp-frq8-hwp3","UBUNTU-CVE-2026-48700"],"status":"disputed","title":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's...","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00181,"percentile":0.0771,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-913"],"published":"2026-05-22T18:43:05Z","modified":"2026-10-28T02:30:57Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1","1.3.0-1","1.3.0-2","1.3.0-3","1.4.0-1","1.4.0-2","1.4.0-3","2.0.0-1","2.0.0-1~exp1","2.1.0-1","2.1.0-2","2.2.0-1","2.2.0-1~exp1","2.3.0-1","2.3.0-1~exp1","2.4.0-1"]},{"source":"osv","ecosystem":"Debian:13","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.0-2","2.2.0-1","2.2.0-1~exp1","2.3.0-1","2.3.0-1~exp1","2.4.0-1"]},{"source":"osv","ecosystem":"Debian:14","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.0-2","2.2.0-1","2.2.0-1~exp1","2.3.0-1","2.3.0-1~exp1","2.4.0-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.0+20150908-1","0.9.0+20150908-2","0.10.0-1ubuntu1","0.10.1-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.3-4","0.12.0-1","0.12.0-2","0.12.0-3","0.12.0-4","0.12.0-5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.14.1-0ubuntu2","0.14.1-0ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17.0-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-0ubuntu1","1.4.0-0ubuntu2","1.4.0-0ubuntu3","1.4.1-0ubuntu1","1.4.1-0ubuntu4","1.4.1-0ubuntu5","1.4.1-0ubuntu6"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.0-0ubuntu3","2.2.0-0ubuntu1","2.2.0-0ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.0-0ubuntu2","2.4.0-0ubuntu2","2.4.1-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"pcmanfm-qt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.0-0ubuntu2","2.2.0-0ubuntu3","2.3.0-0ubuntu2"]}],"products":[{"vendor":"lxqt","product":"pcmanfm-qt"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2026/05/20/2","tags":["web","report"]},{"url":"https://www.openwall.com/lists/oss-security/2026/05/19/1","tags":["web","report"]},{"url":"https://github.com/lxqt/pcmanfm-qt/releases","tags":["package","report"]},{"url":"http://www.openwall.com/lists/oss-security/2026/05/24/6","tags":["web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48700","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j7mp-frq8-hwp3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48700.json","tags":["advisory"]},{"url":"https://github.com/lxqt/pcmanfm-qt","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-48700","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-48700","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48700","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-48700","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"disputed","published":"2026-05-22T18:43:05.549Z","modified":"2026-05-24T19:30:09.123Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical","assessor":"cna"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T13:50:38.739766Z"}],"euvd":[{"id":"EUVD-2026-31487","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"published","published":"2026-05-22T18:43:05Z","modified":"2026-05-24T19:30:09Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical"}],"updated_at":"2026-11-02T18:21:08.174412Z"}],"ghsa":[{"id":"GHSA-j7mp-frq8-hwp3","title":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's...","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"published","published":"2026-05-26T13:30:20Z","modified":"2026-07-23T18:30:46Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T15:09:43.143268Z"}],"nvd":[{"id":"CVE-2026-48700","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"disputed","published":"2026-05-22T19:17:04.623Z","modified":"2026-07-23T16:10:00.137Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical","assessor":"secondary"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T14:12:20.131508Z"}],"osv":[{"id":"CVE-2026-48700","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"published","published":"2026-05-22T18:43:05.549Z","modified":"2026-10-28T02:30:57.526689707Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T15:45:06.701612Z"},{"id":"DEBIAN-CVE-2026-48700","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"published","published":"2026-05-22T19:17:04.623Z","modified":"2026-10-01T03:03:16.620792025Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical"}],"updated_at":"2026-11-02T15:45:56.444225Z"},{"id":"UBUNTU-CVE-2026-48700","description":"An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders D-Bus method call, PCManFM-Qt delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution or circumvent network namespace restrictions. NOTE: those outcomes are potentially unwanted by most users; however, the behavior of the product does comply with the applicable specification, and a simplistic solution (ensuring that the URI does not name a regular file) may have adverse consequences for I/O.","status":"published","published":"2026-05-22T19:17:00Z","modified":"2026-10-17T12:58:30.730169629Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:I/V:D/RE:M/U:Clear","level":"critical"}],"updated_at":"2026-11-02T16:56:33.391918Z"}]}}