PYSEC-2026-3447
Vulnerability from pysec - Published: 2026-07-08 17:17 - Updated: 2026-07-14 10:00
VLAI
Details
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.
Severity
6.1 (Medium)
Impacted products
| Name | purl | setuptools | pkg:pypi/setuptools |
|---|
Aliases
{
"affected": [
{
"ecosystem_specific": {},
"package": {
"ecosystem": "PyPI",
"name": "setuptools",
"purl": "pkg:pypi/setuptools"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "83.0.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"0.6b2",
"0.6b3",
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"0.6c1",
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"0.6c11",
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"0.6c4",
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"13.0",
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"14.0",
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"15.0",
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"16.0",
"17.0",
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"18.1",
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"18.3.1",
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"18.4",
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"18.7.1",
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"19.0",
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"19.1.1",
"19.2",
"19.3",
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"2.0",
"2.0.1",
"2.0.2",
"2.1",
"2.1.1",
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"2.2",
"20.0",
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"20.1.1",
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"25.1.3",
"25.1.4",
"25.1.5",
"25.1.6",
"25.2.0",
"25.3.0",
"25.4.0",
"26.0.0",
"26.1.0",
"26.1.1",
"27.0.0",
"27.1.0",
"27.1.2",
"27.2.0",
"27.3.0",
"27.3.1",
"28.0.0",
"28.1.0",
"28.2.0",
"28.3.0",
"28.4.0",
"28.5.0",
"28.6.0",
"28.6.1",
"28.7.0",
"28.7.1",
"28.8.0",
"28.8.1",
"29.0.0",
"29.0.1",
"3.0",
"3.0.1",
"3.0.2",
"3.1",
"3.2",
"3.3",
"3.4",
"3.4.1",
"3.4.2",
"3.4.3",
"3.4.4",
"3.5",
"3.5.1",
"3.5.2",
"3.6",
"3.7",
"3.7.1",
"3.8",
"3.8.1",
"30.0.0",
"30.1.0",
"30.2.0",
"30.2.1",
"30.3.0",
"30.4.0",
"31.0.0",
"31.0.1",
"32.0.0",
"32.1.0",
"32.1.1",
"32.1.2",
"32.1.3",
"32.2.0",
"32.3.0",
"32.3.1",
"33.1.0",
"33.1.1",
"34.0.0",
"34.0.1",
"34.0.2",
"34.0.3",
"34.1.0",
"34.1.1",
"34.2.0",
"34.3.0",
"34.3.1",
"34.3.2",
"34.3.3",
"34.4.0",
"34.4.1",
"35.0.0",
"35.0.1",
"35.0.2",
"36.0.1",
"36.1.0",
"36.1.1",
"36.2.0",
"36.2.1",
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"36.2.3",
"36.2.4",
"36.2.5",
"36.2.6",
"36.2.7",
"36.3.0",
"36.4.0",
"36.5.0",
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"36.6.1",
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"38.6.0",
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"39.0.0",
"39.0.1",
"39.1.0",
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"4.0",
"4.0.1",
"40.0.0",
"40.1.0",
"40.1.1",
"40.2.0",
"40.3.0",
"40.4.0",
"40.4.1",
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"40.4.3",
"40.5.0",
"40.6.0",
"40.6.1",
"40.6.2",
"40.6.3",
"40.7.0",
"40.7.1",
"40.7.2",
"40.7.3",
"40.8.0",
"40.9.0",
"41.0.0",
"41.0.1",
"41.1.0",
"41.2.0",
"41.3.0",
"41.4.0",
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"41.5.1",
"41.6.0",
"42.0.0",
"42.0.1",
"42.0.2",
"43.0.0",
"44.0.0",
"44.1.0",
"44.1.1",
"45.0.0",
"45.1.0",
"45.2.0",
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"46.0.0",
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"46.1.2",
"46.1.3",
"46.2.0",
"46.3.0",
"46.3.1",
"46.4.0",
"47.0.0",
"47.1.0",
"47.1.1",
"47.2.0",
"47.3.0",
"47.3.1",
"47.3.2",
"48.0.0",
"49.0.0",
"49.0.1",
"49.1.0",
"49.1.1",
"49.1.2",
"49.1.3",
"49.2.0",
"49.2.1",
"49.3.0",
"49.3.1",
"49.3.2",
"49.4.0",
"49.5.0",
"49.6.0",
"5.0",
"5.0.1",
"5.0.2",
"5.1",
"5.2",
"5.3",
"5.4",
"5.4.1",
"5.4.2",
"5.5",
"5.5.1",
"5.6",
"5.7",
"5.8",
"50.0.0",
"50.0.1",
"50.0.2",
"50.0.3",
"50.1.0",
"50.2.0",
"50.3.0",
"50.3.1",
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"51.0.0",
"51.1.0",
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"51.1.1",
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"58.3.0",
"58.4.0",
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"58.5.1",
"58.5.2",
"58.5.3",
"59.0.1",
"59.1.0",
"59.1.1",
"59.2.0",
"59.3.0",
"59.4.0",
"59.5.0",
"59.6.0",
"59.7.0",
"59.8.0",
"6.0.1",
"6.0.2",
"6.1",
"60.0.0",
"60.0.1",
"60.0.2",
"60.0.3",
"60.0.4",
"60.0.5",
"60.1.0",
"60.1.1",
"60.10.0",
"60.2.0",
"60.3.0",
"60.3.1",
"60.4.0",
"60.5.0",
"60.6.0",
"60.7.0",
"60.7.1",
"60.8.0",
"60.8.1",
"60.8.2",
"60.9.0",
"60.9.1",
"60.9.2",
"60.9.3",
"61.0.0",
"61.1.0",
"61.1.1",
"61.2.0",
"61.3.0",
"61.3.1",
"62.0.0",
"62.1.0",
"62.2.0",
"62.3.0",
"62.3.1",
"62.3.2",
"62.3.3",
"62.3.4",
"62.4.0",
"62.5.0",
"62.6.0",
"63.0.0",
"63.0.0b1",
"63.1.0",
"63.2.0",
"63.3.0",
"63.4.0",
"63.4.1",
"63.4.2",
"63.4.3",
"64.0.0",
"64.0.1",
"64.0.2",
"64.0.3",
"65.0.0",
"65.0.1",
"65.0.2",
"65.1.0",
"65.1.1",
"65.2.0",
"65.3.0",
"65.4.0",
"65.4.1",
"65.5.0",
"65.5.1",
"65.6.0",
"65.6.1",
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"65.6.3",
"65.7.0",
"66.0.0",
"66.1.0",
"66.1.1",
"67.0.0",
"67.1.0",
"67.2.0",
"67.3.1",
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"67.3.3",
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"67.5.0",
"67.5.1",
"67.6.0",
"67.6.1",
"67.7.0",
"67.7.1",
"67.7.2",
"67.8.0",
"68.0.0",
"68.1.0",
"68.1.2",
"68.2.0",
"68.2.1",
"68.2.2",
"69.0.0",
"69.0.1",
"69.0.2",
"69.0.3",
"69.1.0",
"69.1.1",
"69.2.0",
"69.3.0",
"69.3.1",
"69.4.0",
"69.4.1",
"69.4.2",
"69.5.0",
"69.5.1",
"7.0",
"70.0.0",
"70.1.0",
"70.1.1",
"70.2.0",
"70.3.0",
"71.0.0",
"71.0.1",
"71.0.2",
"71.0.3",
"71.0.4",
"71.1.0",
"72.0.0",
"72.1.0",
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"73.0.0",
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"74.0.0",
"74.1.0",
"74.1.1",
"74.1.2",
"74.1.3",
"75.0.0",
"75.1.0",
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"75.3.1",
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"75.3.3",
"75.3.4",
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"75.5.0",
"75.6.0",
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"79.0.0",
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"8.0",
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"8.0.2",
"8.0.3",
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"8.3",
"80.0.0",
"80.0.1",
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"80.10.1",
"80.10.2",
"80.2.0",
"80.3.0",
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"80.6.0",
"80.7.0",
"80.7.1",
"80.8.0",
"80.9.0",
"81.0.0",
"82.0.0",
"82.0.1",
"9.0",
"9.0.1",
"9.1"
]
}
],
"aliases": [
"CVE-2026-59890",
"GHSA-h35f-9h28-mq5c"
],
"details": "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.",
"id": "PYSEC-2026-3447",
"modified": "2026-07-14T10:00:10.310542Z",
"published": "2026-07-08T17:17:27.020Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/pypa/setuptools/releases/tag/v83.0.0"
},
{
"type": "FIX",
"url": "https://github.com/pypa/setuptools/commit/dd9f436a36486b4cb8a4c70a2321548b0be09b8f"
},
{
"type": "EVIDENCE",
"url": "https://github.com/pypa/setuptools/security/advisories/GHSA-h35f-9h28-mq5c"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
"type": "CVSS_V3"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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