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CVE-2026-110450

Status: DeferredHigh (8)—
Severity8High · CVSS 3.1
Exploitation probability0.15 %higher than 4% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Nix before 2.35.3 and Lix before 2.95.4 allow privilege escalation via a repair operation because it could destroy and then replace a store path before content verification.

CVSS

Base score
8
Version
3.1
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.15 %
Percentile among all scored CVEs
4
Score date
10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector AV:L/PR:N/UI:N y descripción: la reparación destruye y reemplaza una ruta del store antes de verificar el contenido, lo que permite escalada de privilegios.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence ProgramRestrict File and Directory PermissionsRemote Data StorageNetwork SegmentationExecution PreventionEncrypt Sensitive Information

Affected technologies (2)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

LIX Project — LIXAINixos — NIXAI

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-110450",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-110450",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-19T19:03:38.040394Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.5,
        "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",
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              "versionType": "semver"
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            {
              "status": "affected",
              "version": "2.31.0",
              "lessThan": "2.31.6",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "2.32.0",
              "lessThan": "2.34.9",
              "versionType": "semver"
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            {
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              "lessThan": "2.35.3",
              "versionType": "semver"
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  "published": "2026-10-14T05:16:42.917",
  "references": [
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      "url": "https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547",
      "source": "cve@mitre.org"
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  "weaknesses": [
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      "source": "cve@mitre.org",
      "description": [
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          "value": "CWE-696"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Nix before 2.35.3 and Lix before 2.95.4 allow privilege escalation via a repair operation because it could destroy and then replace a store path before content verification."
    }
  ],
  "lastModified": "2026-10-19T20:17:52.023",
  "sourceIdentifier": "cve@mitre.org"
}