{"id":"CVE-2026-35360","aliases":["DEBIAN-CVE-2026-35360","EUVD-2026-25002","GHSA-q6m9-xj2w-xmrc","UBUNTU-CVE-2026-35360"],"status":"published","title":"uutils coreutils touch Arbitrary File Truncation via TOCTOU Race Condition","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00104,"percentile":0.01036,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-367"],"published":"2026-04-22T16:08:28Z","modified":"2026-11-10T02:50:36Z","fixes":[{"ecosystem":"Debian:14","package":"rust-coreutils","fixed_in":["0.10.0-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.10","package":"rust-coreutils","fixed_in":["0.10.0-1ubuntu1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"crates.io","package":"coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.8.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.17-2","0.0.17-3","0.0.17-4","0.0.17-5","0.0.17-6","0.0.19-1","0.0.19-2","0.0.19-3","0.0.20-1","0.0.21-1","0.0.22-1","0.0.23-1","0.0.23-2","0.0.23-3","0.0.24-1","0.0.24-2","0.0.26-1","0.0.26-2","0.0.26-3","0.0.26-4","0.0.26-5","0.0.27-1","0.0.27-2","0.0.27-3","0.0.30-1","0.0.30-2","0.0.30-3","0.0.30-3~exp1","0.0.30-4","0.10.0-1","0.11.0-1","0.11.0-2","0.12.0-1","0.6.0-1","0.7.0-1","0.8.0-1","0.8.0-2","0.8.0-3","0.8.0-4","0.8.0-5","0.8.0-6","0.9.0-1","0.9.0-2","0.9.0-3"]},{"source":"osv","ecosystem":"Debian:13","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.30-2","0.0.30-3","0.0.30-3~exp1","0.0.30-4","0.10.0-1","0.11.0-1","0.11.0-2","0.12.0-1","0.6.0-1","0.7.0-1","0.8.0-1","0.8.0-2","0.8.0-3","0.8.0-4","0.8.0-5","0.8.0-6","0.9.0-1","0.9.0-2","0.9.0-3"]},{"source":"osv","ecosystem":"Debian:14","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.0-1"}]}],"versions":["0.0.30-2","0.0.30-3","0.0.30-3~exp1","0.0.30-4","0.6.0-1","0.7.0-1","0.8.0-1","0.8.0-2","0.8.0-3","0.8.0-4","0.8.0-5","0.8.0-6","0.9.0-1","0.9.0-2","0.9.0-3"]},{"source":"osv","ecosystem":"crates.io","package":"coreutils","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.8.0"}]}]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.20-1","0.0.22-1","0.0.23-1","0.0.23-2","0.0.23-3","0.0.24-1","0.0.24-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.30-1","0.0.30-2","0.0.30-2ubuntu2","0.1.0-0ubuntu1","0.1.0+git20250711.2ba3a33-0ubuntu1","0.1.0+git20250711.2ba3a33-0ubuntu2","0.1.0+git20250711.2ba3a33-0ubuntu3","0.1.0+git20250711.2ba3a33-0ubuntu4","0.1.0+git20250801.cf79675-0ubuntu1","0.1.0+git20250813.4af2a84-0ubuntu2","0.1.0+git20250813.4af2a84-0ubuntu4","0.1.0+git20250813.4af2a84-0ubuntu6","0.1.0+git20250813.4af2a84-0ubuntu7","0.2.2-0ubuntu1","0.2.2-0ubuntu2","0.2.2-0ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.0-1ubuntu1"}]}],"versions":["0.8.0-0ubuntu3","0.8.0-0ubuntu4","0.9.0-2ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"rust-coreutils","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.2-0ubuntu2","0.2.2-0ubuntu4","0.5.0-0ubuntu1","0.5.0-0ubuntu2","0.6.0-0ubuntu1","0.7.0-0ubuntu1","0.8.0-0ubuntu3","0.10.0-1ubuntu2~26.04.1"]}],"products":[{"vendor":"uutils","product":"coreutils"}],"references":[{"url":"https://github.com/uutils/coreutils/issues/10019","tags":["issue-tracking","exploit","Exploit","Issue Tracking","Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35360","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q6m9-xj2w-xmrc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-35360","tags":["advisory"]},{"url":"https://github.com/uutils/coreutils","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-35360","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-35360","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-35360","title":"uutils coreutils touch Arbitrary File Truncation via TOCTOU Race Condition","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T16:08:28.218Z","modified":"2026-04-22T18:03:26.466Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:20:05.505362Z"}],"euvd":[{"id":"EUVD-2026-25002","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T16:08:28Z","modified":"2026-04-22T18:03:26Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T19:24:19.81608Z"}],"ghsa":[{"id":"GHSA-q6m9-xj2w-xmrc","title":"uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T18:31:45Z","modified":"2026-04-30T17:30:21Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:39:59.776263Z"}],"nvd":[{"id":"CVE-2026-35360","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T17:16:38.673Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:15.867234Z"}],"osv":[{"id":"DEBIAN-CVE-2026-35360","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T17:16:38.673Z","modified":"2026-10-27T09:47:43.13199782Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:54.587575Z"},{"id":"GHSA-q6m9-xj2w-xmrc","title":"uutils coreutils has a Time-of-check Time-of-use (TOCTOU) Race Condition","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T18:31:45Z","modified":"2026-09-10T03:51:02.777490427Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:46:54.055966Z"},{"id":"UBUNTU-CVE-2026-35360","description":"The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.","status":"published","published":"2026-04-22T17:16:00Z","modified":"2026-11-10T02:50:36.569620436Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"updated_at":"2026-11-10T03:19:13.406012Z"}]}}