{"id":"CVE-2026-74859","aliases":["DEBIAN-CVE-2026-74859","EUVD-2026-72673","GHSA-39p2-wfx9-r3hc","UBUNTU-CVE-2026-74859"],"status":"published","title":"Gnome-tweaks: path traversal in theme installer","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00173,"percentile":0.06739,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-09-08T09:01:20Z","modified":"2026-11-06T00:42:18Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42~beta-4","45.1-1","46.0-1","46.0-2","46.1-1","46~beta-1","46~beta-2","49.0-1","49~rc-1","49~rc-2"]},{"source":"osv","ecosystem":"Debian:13","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["46.1-1","49.0-1","49~rc-1","49~rc-2"]},{"source":"osv","ecosystem":"Debian:14","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["46.1-1","49.0-1","49~rc-1","49~rc-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.27.4-1ubuntu1","3.27.90.2-1ubuntu1","3.27.92-1ubuntu1","3.28.0-1","3.28.1-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.34.0-2","3.34.0-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["40.0-3","40.0-4","40.0-5","40.0-6","42~beta-1","42~beta-1ubuntu1","42~beta-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["42~beta-4","45.1-1","46~beta-1","46~beta-2","46.0-1","46.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["49.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"gnome-tweaks","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["46.1-1","49.0-1"]}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-74859","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2529702","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74859"},{"url":"https://github.com/advisories/GHSA-39p2-wfx9-r3hc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-74859","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-74859","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74859","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-74859","title":"Gnome-tweaks: path traversal in theme installer","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","status":"published","published":"2026-09-08T09:01:20.64Z","modified":"2026-11-06T00:42:18.718Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-06T01:55:46.939755Z"}],"euvd":[{"id":"EUVD-2026-72673","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","status":"published","published":"2026-09-08T09:01:20Z","modified":"2026-11-06T00:42:18Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium"}],"updated_at":"2026-11-06T02:02:53.341523Z"}],"ghsa":[{"id":"GHSA-39p2-wfx9-r3hc","title":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating...","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","status":"published","published":"2026-09-08T09:35:39Z","modified":"2026-09-08T09:35:45Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:11:27.823827Z"}],"nvd":[{"id":"CVE-2026-74859","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","status":"published","published":"2026-09-08T09:18:20.96Z","modified":"2026-11-06T01:17:50.633Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-06T06:59:05.303911Z"}],"osv":[{"id":"DEBIAN-CVE-2026-74859","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","status":"published","published":"2026-09-08T09:18:20.96Z","modified":"2026-10-01T03:03:42.177841947Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:46:03.004924Z"},{"id":"UBUNTU-CVE-2026-74859","description":"The shell theme installer in gnome-tweaks extracts user-supplied ZIP archives without validating archive member paths. As a result, a crafted theme archive can write files outside ~/.themes by using ../ path traversal, absolute paths, or symlink entries.","status":"published","published":"2026-09-08T09:18:00Z","modified":"2026-10-17T13:00:37.85276913Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:13.483205Z"}]}}