{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
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                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
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                "range": [
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                    "introduced": "3.12.0"
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                    "fixed": "3.12.16"
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                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
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                "range": [
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                    "introduced": "3.13.0"
                  },
                  {
                    "fixed": "3.13.18"
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                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "3.14.0"
                  },
                  {
                    "fixed": "3.14.10"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "3.15.0"
                  },
                  {
                    "fixed": "3.15.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
                  {
                    "introduced": "3.16.0a1"
                  },
                  {
                    "fixed": "3.16.0"
                  }
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                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              },
              {
                "range": [
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                    "fixed": "0901ad4ffb22605f12b705d1c1197f0a01f0ba0b"
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                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "range": [
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                "source": "REFERENCES_COMMIT"
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                "source": "REFERENCES_COMMIT"
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                    "fixed": "04d8fca7da2cf3ebc0881fec8a53a1330c3b665d"
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                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "range": [
                  {
                    "fixed": "bc93f8ad4c4a0f92d184ec8fccc8ff8a651dcec2"
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                ],
                "source": "REFERENCES_COMMIT"
              },
              {
                "range": [
                  {
                    "fixed": "f4401da82e2baec5dab06cf070fbca77d53220f0"
                  }
                ],
                "source": "REFERENCES_COMMIT"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26badd80b6dc7786cd8fb63c3608a31f04754219"
            },
            {
              "introduced": "0fb18b02c8ad56299d6a2910be0bab8ad601ef24"
            },
            {
              "fixed": "2c2462afc5d978d31f3d073001fc202d269917ff"
            },
            {
              "introduced": "60403a5409ff2c3f3b07dd2ca91a7a3e096839c7"
            },
            {
              "fixed": "0d4bd512fc429e3d4eacdd113c975e161f21644d"
            },
            {
              "introduced": "ebf955df7a89ed0c7968f79faec1de49f61ed7cb"
            },
            {
              "fixed": "b703b2c5e704341d61e367b9b940b77ed11dded0"
            },
            {
              "introduced": "d220409a13b77de7a6c30abe16ea90db01528edc"
            },
            {
              "fixed": "5e58eaad7c58df58dfa8ea549c87996e01dd1077"
            },
            {
              "introduced": "22d79d9840a275ed6ed36cd590dc74edc61765fb"
            },
            {
              "fixed": "22d79d9840a275ed6ed36cd590dc74edc61765fb"
            },
            {
              "fixed": "0901ad4ffb22605f12b705d1c1197f0a01f0ba0b"
            },
            {
              "fixed": "c6ada40177436e4e2533a7b252082b5f0c043477"
            },
            {
              "fixed": "e7e0b3523ad6ba8472873dda594cf4021a16f8b5"
            },
            {
              "fixed": "04d8fca7da2cf3ebc0881fec8a53a1330c3b665d"
            },
            {
              "fixed": "bc93f8ad4c4a0f92d184ec8fccc8ff8a651dcec2"
            },
            {
              "fixed": "f4401da82e2baec5dab06cf070fbca77d53220f0"
            }
          ],
          "repo": "https://github.com/python/cpython",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "PSF",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114583.json"
  },
  "details": "tarfile.tar_filter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall() with filter=\"tar\" to write files outside the destination directory, subject to the permissions of the extracting process.\n\nThis is the tarfile.tar_filter counterpart of CVE-2026-7774, which covered tarfile.data_filter.",
  "id": "CVE-2026-114583",
  "modified": "2026-11-10T10:31:00.009429650Z",
  "published": "2026-10-22T20:57:36.019Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/43JOWPRAV5DI3VZ4FUEUAZOHCATXXOCK/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114583.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114583"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/python/cpython/issues/160097"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/commit/04d8fca7da2cf3ebc0881fec8a53a1330c3b665d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/commit/0901ad4ffb22605f12b705d1c1197f0a01f0ba0b"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/commit/bc93f8ad4c4a0f92d184ec8fccc8ff8a651dcec2"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/commit/c6ada40177436e4e2533a7b252082b5f0c043477"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/commit/e7e0b3523ad6ba8472873dda594cf4021a16f8b5"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/commit/f4401da82e2baec5dab06cf070fbca77d53220f0"
    },
    {
      "type": "FIX",
      "url": "https://github.com/python/cpython/pull/160098"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/python/cpython"
    }
  ],
  "schema_version": "1.9.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "tar filter allows writing outside destination via empty-named symlink"
}