{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pypi.org/project/pip",
          "defaultStatus": "unaffected",
          "packageName": "pip",
          "product": "pip",
          "repo": "https://github.com/pypa/pip",
          "vendor": "Python Packaging Authority",
          "versions": [
            {
              "lessThan": "25.3",
              "status": "affected",
              "version": "0",
              "versionType": "python"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn\u0027t implement PEP 706.\u003cbr\u003eNote that upgrading pip to a \"fixed\" version for this vulnerability doesn\u0027t fix all known vulnerabilities that are remediated by using a Python version that implements PEP 706.\u003cbr\u003e\u003cbr\u003eNote that this is a vulnerability in pip\u0027s fallback implementation of tar extraction for Python versions that don\u0027t implement PEP 706\u003cbr\u003eand therefore are not secure to all vulnerabilities in the Python \u0027tarfile\u0027 module. If you\u0027re using a Python version that implements PEP 706\u003cbr\u003ethen pip doesn\u0027t use the \"vulnerable\" fallback code.\u003cbr\u003e\u003cbr\u003eMitigations include upgrading to a version of pip that includes the fix, upgrading to a Python version that implements PEP 706 (Python \u0026gt;=3.9.17, \u0026gt;=3.10.12, \u0026gt;=3.11.4, or \u0026gt;=3.12),\u003cbr\u003eapplying the linked patch, or inspecting source distributions (sdists) before installation as is already a best-practice."
            }
          ],
          "value": "When extracting a tar archive pip may not check symbolic links point into the extraction directory if the tarfile module doesn\u0027t implement PEP 706.\nNote that upgrading pip to a \"fixed\" version for this vulnerability doesn\u0027t fix all known vulnerabilities that are remediated by using a Python version that implements PEP 706.\n\nNote that this is a vulnerability in pip\u0027s fallback implementation of tar extraction for Python versions that don\u0027t implement PEP 706\nand therefore are not secure to all vulnerabilities in the Python \u0027tarfile\u0027 module. If you\u0027re using a Python version that implements PEP 706\nthen pip doesn\u0027t use the \"vulnerable\" fallback code.\n\nMitigations include upgrading to a version of pip that includes the fix, upgrading to a Python version that implements PEP 706 (Python \u003e=3.9.17, \u003e=3.10.12, \u003e=3.11.4, or \u003e=3.12),\napplying the linked patch, or inspecting source distributions (sdists) before installation as is already a best-practice."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-24T14:57:34.790Z",
        "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "shortName": "PSF"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/pypa/pip/pull/13550"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/IF5A3GCJY3VH7BVHJKOWOJFKTW7VFQEN/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Fallback tar extraction in pip doesn\u0027t check symbolic links point to extraction directory",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
    "assignerShortName": "PSF",
    "cveId": "CVE-2025-8869",
    "datePublished": "2025-09-24T14:56:56.027Z",
    "dateReserved": "2025-08-11T15:55:10.199Z",
    "dateUpdated": "2025-09-24T14:57:34.790Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}