Vulnerability-Lookup

GHSA-54VC-PH3H-X39X

Vulnerability from github – Published: 2026-05-05 03:31 – Updated: 2026-05-05 03:31

Details

An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);

Severity

5.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-44029"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-36"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-05T01:16:07Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via \"nix-prefetch-url --unpack\" or \"nix store prefetch-file --unpack\" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);",
  "id": "GHSA-54vc-ph3h-x39x",
  "modified": "2026-05-05T03:31:41Z",
  "published": "2026-05-05T03:31:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44029"
    },
    {
      "type": "WEB",
      "url": "https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/05/04/33"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-44029 (GCVE-0-2026-44029)

Vulnerability from cvelistv5 – Published: 2026-05-05 00:51 – Updated: 2026-05-05 12:43

Summary

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-36 - Absolute Path Traversal

Assigner

mitre

References

3 references

URL	Tags
https://discourse.nixos.org/t/security-advisory-l…
https://www.openwall.com/lists/oss-security/2026/…
https://github.com/NixOS/nix/security/advisories/…

Impacted products

1 product

Vendor	Product	Version
NixOS	Nix	Affected: 2.24.7 , < 2.28.7 (semver) Affected: 2.29.0 , < 2.29.4 (semver) Affected: 2.30.0 , < 2.30.5 (semver) Affected: 2.31.0 , < 2.31.5 (semver) Affected: 2.32.0 , < 2.32.8 (semver) Affected: 2.33.0 , < 2.33.6 (semver) Affected: 2.34.0 , < 2.34.7 (semver)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-44029",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-05T12:43:20.590037Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-05T12:43:28.239Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Nix",
          "vendor": "NixOS",
          "versions": [
            {
              "lessThan": "2.28.7",
              "status": "affected",
              "version": "2.24.7",
              "versionType": "semver"
            },
            {
              "lessThan": "2.29.4",
              "status": "affected",
              "version": "2.29.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.30.5",
              "status": "affected",
              "version": "2.30.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.31.5",
              "status": "affected",
              "version": "2.31.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.32.8",
              "status": "affected",
              "version": "2.32.0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.33.6",
              "status": "affected",
              "version": "2.33.0",
              "versionType": "semver"
            },
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              "lessThan": "2.34.7",
              "status": "affected",
              "version": "2.34.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.28.7",
                  "versionStartIncluding": "2.24.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:nixos:nix:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "2.29.4",
                  "versionStartIncluding": "2.29.0",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "2.30.5",
                  "versionStartIncluding": "2.30.0",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "2.31.5",
                  "versionStartIncluding": "2.31.0",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "2.32.8",
                  "versionStartIncluding": "2.32.0",
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                },
                {
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                  "versionEndExcluding": "2.33.6",
                  "versionStartIncluding": "2.33.0",
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                },
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                }
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              "negate": false,
              "operator": "OR"
            }
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      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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              "description": "CWE-36 Absolute Path Traversal",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
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          "url": "https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407"
        },
        {
          "url": "https://www.openwall.com/lists/oss-security/2026/05/04/33"
        },
        {
          "url": "https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p"
        }
      ],
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2026-44029",
    "datePublished": "2026-05-05T00:51:05.533Z",
    "dateReserved": "2026-05-05T00:51:05.139Z",
    "dateUpdated": "2026-05-05T12:43:28.239Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-54VC-PH3H-X39X

CVE-2026-44029 (GCVE-0-2026-44029)

Tags

Sightings

Nomenclature