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CVE-2026-59890

setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns against on-disk file names without Unicode normalization, so on macOS APFS or HFS+ an NFD file name could bypass an NFC exclusion rule and be packed into a source distribution. This issue is fixed in version 83.0.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:703e84683313ad47c4f7cc0e519ec25efa9ad33fc2daf6baf8d216be7170f17d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-176","description":"CWE-176: Improper Handling of Unicode Encoding","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-697","description":"CWE-697: Incorrect Comparison","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"setuptools","vendor":"pypa","versions":[{"status":"affected","version":"< 83.0.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-176","description":"CWE-176: Improper Handling of Unicode Encoding","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-697","description":"CWE-697: Incorrect Comparison","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/pypa/setuptools/commit/dd9f436a36486b4cb8a4c70a2321548b0be09b8f","tags":["x_refsource_MISC"],"url":"https://github.com/pypa/setuptools/commit/dd9f436a36486b4cb8a4c70a2321548b0be09b8f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/references/1
{"name":"https://github.com/pypa/setuptools/releases/tag/v83.0.0","tags":["x_refsource_MISC"],"url":"https://github.com/pypa/setuptools/releases/tag/v83.0.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/references/2
{"name":"https://github.com/pypa/setuptools/security/advisories/GHSA-h35f-9h28-mq5c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pypa/setuptools/security/advisories/GHSA-h35f-9h28-mq5c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/pypa/setuptools/security/advisories/GHSA-h35f-9h28-mq5c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d70d4a5a25b558bf90a1660195aa6062754485925347976fffd634911873a2e5 · sha256:945c42454b1d6642… · /containers/adp/0/references/0

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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