{"id":"CVE-2026-110453","aliases":["EUVD-2026-100809","GHSA-cm63-px87-wf8p"],"status":"published","title":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by...","description":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00132,"percentile":0.02807,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-10-14T04:15:47Z","modified":"2026-10-19T19:17:20Z","products":[{"vendor":"nixos","product":"nix"}],"references":[{"url":"https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110453"},{"url":"https://github.com/advisories/GHSA-cm63-px87-wf8p"}],"sources":{"cve":[{"id":"CVE-2026-110453","description":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.","status":"published","published":"2026-10-14T04:15:47.269Z","modified":"2026-10-19T18:42:54.78Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-100809","description":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.","status":"published","published":"2026-10-14T04:15:47Z","modified":"2026-10-19T18:42:54Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:59:49.097498Z"}],"ghsa":[{"id":"GHSA-cm63-px87-wf8p","title":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by...","description":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.","status":"published","published":"2026-10-14T06:31:14Z","modified":"2026-10-14T06:31:15Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:13:22.867821Z"}],"nvd":[{"id":"CVE-2026-110453","description":"Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients.","status":"published","published":"2026-10-14T05:16:43.377Z","modified":"2026-10-19T19:17:20.607Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:58.99337Z"}]}}