{"schema":"threatline.record/2","record":{"id":"CVE-2026-110452","aliases":[],"summary":"The multi-user installer in Nix before 2.35.3 sets the ownership of store contents to the user (who invoked the installer) even though it should be root ownership.","details":"The multi-user installer in Nix before 2.35.3 sets the ownership of store contents to the user (who invoked the installer) even though it should be root ownership.","categories":["Unclassified"],"product":"Nix","vendor":"NixOS","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","source_modified_at":"2026-10-14T17:27:51.579Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Nix","vendor":"NixOS","versions":[{"lessThan":"2.28.8","status":"affected","version":"0","versionType":"semver"},{"lessThan":"2.30.6","status":"affected","version":"2.29.0","versionType":"semver"},{"lessThan":"2.31.6","status":"affected","version":"2.31.0","versionType":"semver"},{"lessThan":"2.34.9","status":"affected","version":"2.32.0","versionType":"semver"},{"lessThan":"2.35.3","status":"affected","version":"2.35.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","source_modified_at":"2026-10-14T17:27:51.579Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Nix","ecosystem":null},"version":"2.28.8","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","source_modified_at":"2026-10-14T17:27:51.579Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Nix","ecosystem":null},"version":"2.30.6","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","source_modified_at":"2026-10-14T17:27:51.579Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Nix","ecosystem":null},"version":"2.31.6","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","source_modified_at":"2026-10-14T17:27:51.579Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Nix","ecosystem":null},"version":"2.34.9","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","source_modified_at":"2026-10-14T17:27:51.579Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Nix","ecosystem":null},"version":"2.35.3","basis":"first unaffected version stated in the CVE record"}],"cvss":4,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00131,"percentile":0.02475,"score_date":"2026-10-23"},"published_at":"2026-10-14T04:12:28.499Z","modified_at":"2026-10-14T17:27:51.579Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110452","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T17:27:51.579Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110452","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-14T17:25:47.770441Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T17:27:51.579Z","content_hash":"fea9244de9f62fffa63660d57cebbe52883ef6775d9c5a5f51ae612756b9cfd5"}}