{ "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" } ] } ] } ] } } }