{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110453", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-10-14T04:15:46.477Z", "datePublished": "2026-10-14T04:15:47.269Z", "dateUpdated": "2026-10-14T04:15:47.269Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "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"}]}], "descriptions": [{"lang": "en", "value": "Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "description": "CWE-863 Incorrect Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-10-14T04:15:47.269Z"}, "references": [{"url": "https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.28.8"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.29.0", "versionEndExcluding": "2.30.6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.31.0", "versionEndExcluding": "2.31.6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.32.0", "versionEndExcluding": "2.34.9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.35.0", "versionEndExcluding": "2.35.3"}]}]}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "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"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nix before 2.35.3, when unsandboxed on macOS or FreeBSD, incorrectly allows connections made by build users from daemon clients."}], "id": "CVE-2026-110453", "lastModified": "2026-10-14T05:16:43.377", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-10-14T05:16:43.377", "references": [{"source": "cve@mitre.org", "url": "https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{}