CVE-2026-110453

{"id": "CVE-2026-110453", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-110453", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-19T18:33:23.046919Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.5}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "NixOS", "product": "Nix", "versions": [{"status": "affected", "version": "0", "lessThan": "2.28.8", "versionType": "semver"}, {"status": "affected", "version": "2.29.0", "lessThan": "2.30.6", "versionType": "semver"}, {"status": "affected", "version": "2.31.0", "lessThan": "2.31.6", "versionType": "semver"}, {"status": "affected", "version": "2.32.0", "lessThan": "2.34.9", "versionType": "semver"}, {"status": "affected", "version": "2.35.0", "lessThan": "2.35.3", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-14T05:16:43.377", "references": [{"url": "https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547", "source": "cve@mitre.org"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-863"}]}], "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."}], "lastModified": "2026-10-19T19:17:20.607", "sourceIdentifier": "cve@mitre.org"}