PyPI package
setuptools 75.3.1 vulnerabilities, and the version that fixes all of them
setuptools 75.3.1 has 2 known vulnerabilities (1 rated high or critical); 83.0.0 fixes all of them.
PyPI (opens in a new tab) describes it as “Most extensible Python build backend with support for C/C++ extension modules”
- Known vulnerabilities
- 2
- 1 rated high or critical
- Released
- Mar 11, 2025
- Latest is 84.0.0
- Licence
- MIT
- Dependencies
- None
- Resolved by deps.dev
What to upgrade to
83.0.0 is the closest release with no known vulnerabilities.
Newest 75.x release. Released Mar 9, 2025.
2 known vulnerabilities, worst rated warning83.0.0Upgrade to this
Fixes all 2 known vulnerabilities. Released Jul 4, 2026.
No known vulnerabilitiesLatest release. Released Aug 8, 2026.
No known vulnerabilities
83.0.0 came out on Jul 4, 2026. A coding agent trained before then doesn’t know it exists, so it may suggest an older release. AI knowledge cutoff dates
Hand the fix to your coding agent
One task with the upgrade, the file to change and why. Paste it into Claude Code, Cursor or Codex.
Findings
- CriticalVulnerability
2 known vulnerabilities in setuptools 75.3.1
EPSS: top 25%1 rated high or critical. Most serious: CVE-2025-47273, setuptools has a path traversal vulnerability in PackageIndex.download that leads to Arbitrary File Write. Upgrading to 83.0.0 fixes all of them.
- WarningOutdated
setuptools 75.3.1 is 9 major versions behind
Latest release is 84.0.0.
Every advisory for setuptools 75.3.1
Known exploited first (CISA KEV), then by how likely they are to be exploited (FIRST EPSS), then by severity. Each id links to its OSV.dev record.
CriticalCVE-2025-47273 on OSV.dev (opens in a new tab)GHSA-5rjg-fvgr-3xxfEPSS: top 25%
setuptools has a path traversal vulnerability in PackageIndex.download that leads to Arbitrary File Write
Fixed in 78.1.1. Published May 19, 2025.
WarningCVE-2026-59890 on OSV.dev (opens in a new tab)GHSA-h35f-9h28-mq5cEPSS: top 67%
setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+
Fixed in 83.0.0. Published Jul 21, 2026.
Is setuptools the only one?
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How this page is checked
StackPrism asks OSV.dev which advisories affect exactly setuptools 75.3.1, merges duplicates filed under several ids, and ranks them with CISA’s Known Exploited Vulnerabilities list and FIRST EPSS. Release dates and deprecation come from deps.dev and PyPI. No AI writes this page: every sentence comes from that data, refreshed every few hours.
Last checked against PyPI, OSV.dev, deps.dev, CISA KEV and FIRST EPSS.