{"id":"CVE-2026-58052","aliases":["DEBIAN-CVE-2026-58052","EUVD-2026-39972","GHSA-fx33-p83c-vpr5","JLSEC-2026-1169","openSUSE-SU-2026:11777-1","openSUSE-SU-2026:11792-1"],"status":"published","title":"7-Zip - Mark-of-the-Web Bypass via RAR5 Alternate Data Stream Name Collision","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00171,"percentile":0.06608,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-693"],"published":"2026-06-28T01:32:54Z","modified":"2026-10-28T11:18:06Z","fixes":[{"ecosystem":"Debian:14","package":"7zip","fixed_in":["26.03+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"p7zip","fixed_in":["16.02+transitional.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"lzma-sdk","fixed_in":["26.03-1.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"7zip","fixed_in":["26.03-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["22.01+dfsg-10~exp1","22.01+dfsg-8","22.01+dfsg-8+deb12u1","22.01+dfsg-9","22.01+really25.01+dfsg-0+deb12u1","22.01+really26.01+dfsg-0+deb12u1","22.01+really26.02+dfsg-0+deb12u1","23.01+dfsg-1","23.01+dfsg-10","23.01+dfsg-11","23.01+dfsg-12","23.01+dfsg-2","23.01+dfsg-3","23.01+dfsg-4","23.01+dfsg-4~exp1","23.01+dfsg-5","23.01+dfsg-6","23.01+dfsg-7","23.01+dfsg-8","23.01+dfsg-9","24.05+dfsg-1","24.05+dfsg-2","24.05+dfsg-3","24.06+dfsg-1","24.06+dfsg-2","24.06+dfsg-3","24.06+dfsg-4","24.07+dfsg-1","24.07+dfsg-2","24.08+dfsg-1","24.08+dfsg-1~bpo12+1","24.08+dfsg-2","24.09+dfsg-1","24.09+dfsg-2","24.09+dfsg-2~bpo12+1","24.09+dfsg-3","24.09+dfsg-4","24.09+dfsg-5","24.09+dfsg-6","24.09+dfsg-7","24.09+dfsg-7~bpo12+1","24.09+dfsg-8","24.09+dfsg-8~bpo12+1","25.00+dfsg-1","25.01+dfsg-1","25.01+dfsg-1~deb13u1","25.01+dfsg-1~deb13u1~bpo12+1","25.01+dfsg-1~deb13u2","25.01+dfsg-2","25.01+dfsg-3","25.01+dfsg-4","25.01+dfsg-5","26.00+dfsg-1","26.00+dfsg-2","26.00+dfsg-3","26.00+dfsg-4","26.00+dfsg-5","26.00+dfsg1-1","26.00+dfsg1-2","26.00+dfsg1-3","26.01+dfsg-1","26.01+dfsg-2","26.01+dfsg-3","26.02+dfsg-1","26.02+dfsg-2","26.02+dfsg-3","26.03+dfsg-1","26.03+dfsg-2","26.03+dfsg-3","26.04+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["24.09+dfsg-8","25.00+dfsg-1","25.01+dfsg-1","25.01+dfsg-1~deb13u1","25.01+dfsg-1~deb13u1~bpo12+1","25.01+dfsg-1~deb13u2","25.01+dfsg-2","25.01+dfsg-3","25.01+dfsg-4","25.01+dfsg-5","26.00+dfsg-1","26.00+dfsg-2","26.00+dfsg-3","26.00+dfsg-4","26.00+dfsg-5","26.00+dfsg1-1","26.00+dfsg1-2","26.00+dfsg1-3","26.01+dfsg-1","26.01+dfsg-2","26.01+dfsg-3","26.02+dfsg-1","26.02+dfsg-2","26.02+dfsg-3","26.03+dfsg-1","26.03+dfsg-2","26.03+dfsg-3","26.04+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.03+dfsg-1"}]}],"versions":["24.09+dfsg-8","25.00+dfsg-1","25.01+dfsg-1","25.01+dfsg-1~deb13u1","25.01+dfsg-1~deb13u1~bpo12+1","25.01+dfsg-1~deb13u2","25.01+dfsg-2","25.01+dfsg-3","25.01+dfsg-4","25.01+dfsg-5","26.00+dfsg-1","26.00+dfsg-2","26.00+dfsg-3","26.00+dfsg-4","26.00+dfsg-5","26.00+dfsg1-1","26.00+dfsg1-2","26.00+dfsg1-3","26.01+dfsg-1","26.01+dfsg-2","26.01+dfsg-3","26.02+dfsg-1","26.02+dfsg-2","26.02+dfsg-3"]},{"source":"osv","ecosystem":"Debian:12","package":"p7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["16.02+dfsg-8","16.02+really25.01+dfsg-0+deb12u1","16.02+really26.01+dfsg-0+deb12u1","16.02+really26.02+dfsg-0+deb12u1","16.02+transitional.1"]},{"source":"osv","ecosystem":"Debian:13","package":"p7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.02+transitional.1"}]}]},{"source":"osv","ecosystem":"Julia","package":"p7zip_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"lzma-sdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.03-1.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"7zip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"26.03-1.1"}]}]}],"products":[{"vendor":"7-zip","product":"7-zip"}],"references":[{"url":"https://github.com/bikini/exploitarium/tree/main/7zip-rar5-motw-chain-poc","tags":["exploit","third-party-advisory","Broken Link","evidence","web"]},{"url":"https://github.com/ip7z/7zip","tags":["product","Product","package","web"]},{"url":"https://www.vulncheck.com/advisories/7-zip-mark-of-the-web-bypass-via-rar5-alternate-data-stream-name-collision","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58052","tags":["advisory","web"]},{"url":"https://github.com/advisories/GHSA-fx33-p83c-vpr5","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58052.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-58052","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-58052","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-58052","title":"7-Zip - Mark-of-the-Web Bypass via RAR5 Alternate Data Stream Name Collision","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-06-28T01:32:54.971Z","modified":"2026-07-14T20:48:24.263Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T13:47:39.876248Z"}],"euvd":[{"id":"EUVD-2026-39972","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-06-28T01:32:54Z","modified":"2026-07-14T20:48:24Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:19:58.306277Z"}],"ghsa":[{"id":"GHSA-fx33-p83c-vpr5","title":"7-Zip for Windows through 26.02 fails to preserve the Mark-of-the-Web when extracting a crafted...","description":"7-Zip for Windows through 26.02 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-06-28T03:33:40Z","modified":"2026-06-28T03:33:40Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:09:02.633671Z"}],"nvd":[{"id":"CVE-2026-58052","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-06-28T02:16:32.283Z","modified":"2026-10-07T20:49:46.64Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:12:26.508751Z"}],"osv":[{"id":"CVE-2026-58052","title":"7-Zip - Mark-of-the-Web Bypass via RAR5 Alternate Data Stream Name Collision","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-06-28T01:32:54.971Z","modified":"2026-10-28T11:18:06.835216165Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:45:12.016252Z"},{"id":"DEBIAN-CVE-2026-58052","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-06-28T02:16:32.283Z","modified":"2026-10-08T10:00:53.657942233Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:57.590991Z"},{"id":"JLSEC-2026-1169","title":"7-Zip for Windows fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive","description":"7-Zip for Windows through 26.01 fails to preserve the Mark-of-the-Web when extracting a crafted RAR5 archive, because its guard that suppresses an archive-supplied Zone.Identifier stream matches the exact name 'Zone.Identifier' while a RAR5 STM record named ':Zone.Identifier:$DATA' is not matched and NTFS canonicalizes it to the same stream, overwriting the propagated Internet-zone marker with ZoneId=0. A second STM record named '::$DATA' overwrites the extracted file's default data stream, letting an attacker defeat SmartScreen/MotW warnings and spoof file content.","status":"published","published":"2026-08-05T21:11:23.872Z","modified":"2026-08-05T21:28:37.95699352Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"low"},{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:47:18.159338Z"},{"id":"openSUSE-SU-2026:11777-1","title":"liblzmasdk26-26.03-1.1 on GA media","description":"These are all security issues fixed in the liblzmasdk26-26.03-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-15T10:15:04.989998064Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:11792-1","title":"7zip-26.03-1.1 on GA media","description":"These are all security issues fixed in the 7zip-26.03-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-16T00:00:00Z","modified":"2026-09-17T18:23:12.912792264Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}