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CVE-2026-3087

If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e09eb0f4cf0e75c9818eb25f0f75b3f492944bb1540c0bf719b5368ed0abf250
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","modules":["shutil"],"product":"CPython","repo":"https://github.com/python/cpython","vendor":"Python Software Foundation","versions":[{"lessThan":"3.13.14","status":"affected","version":"0","versionType":"python"},{"lessThan":"3.14.5rc1","status":"affected","version":"3.14.0a1","versionType":"python"},{"lessThan":"3.15.0b1","status":"affected","version":"3.15.0a1","versionType":"python"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/problemTypes/0/descriptions/0

Source references

11 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/04/28/9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/adp/0/references/0
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/65b255416ae217bf0e22085be3c1976cea18bd8c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/6
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/8e13025747e1ca72e86d1f35637123f9c306f0cb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/7
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/8ee6aff14054b37b53e47194a2fa313e98163c94"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/8
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/ab5ef98af693bded74a738570e81ea70abef2840"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/3
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/b01e594fbe754a960212f908d047294e880b52fd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/ba0aca3bffce431fe2fbd53ca4cd6a717a2e2c19"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/9
{"tags":["patch"],"url":"https://github.com/python/cpython/commit/fc829e88753858c8ac669594bf0093f44948c0f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/5
{"tags":["issue-tracking"],"url":"https://github.com/python/cpython/issues/146581"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/python/cpython/pull/146591"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/X6FXE5C6KDKOVNX3EC3DWD5RUPFWOZA4/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6eb228be829cac5dc086c2d750dde7f4f29688df97900ec4952d75c2f27a4398 · sha256:6779dfd4a039bc09… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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