{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.12.7"
              },
              {
                "fixed": "0.12.18"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "61291a8ca5477a9ca653f14d2ac5665587c263fa"
            },
            {
              "fixed": "67169645278ce082638d619beefa6d062540843b"
            },
            {
              "fixed": "01cb90c1a4f88af09906cb60de9766d2add4a062"
            }
          ],
          "repo": "https://github.com/astral-sh/uv",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-2cv4-cqwr-gwf7"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104843.json"
  },
  "details": "uv is a Python package and project manager written in Rust. From 0.12.7 until 0.12.18, uv wheel extraction on Windows can process a malicious wheel in a way that writes a file outside the installation prefix, including an executable in a directory already present on the user's PATH. Non-Windows hosts are not affected. This issue is fixed in version 0.12.18.",
  "id": "CVE-2026-104843",
  "modified": "2026-10-04T02:30:18.265020705Z",
  "published": "2026-10-02T15:29:15.517Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/astral-sh/uv/releases/tag/0.12.18"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104843.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/astral-sh/uv/security/advisories/GHSA-2cv4-cqwr-gwf7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104843"
    },
    {
      "type": "FIX",
      "url": "https://github.com/astral-sh/uv/commit/67169645278ce082638d619beefa6d062540843b"
    },
    {
      "type": "FIX",
      "url": "https://github.com/astral-sh/uv/pull/21923"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "uv: Path traversal on Windows through wheel extraction"
}