# Python Packaging Authority Setuptools vulnerabilities

Source: https://junglewise.ai/threats/technologies/setuptools  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/setuptools.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Python Packaging Authority Setuptools: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, setuptools path escape via namespace_packages.txt on Windows, was published on 23 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 4 (0 critical, 0 exploited in the wild)

## About Python Packaging Authority Setuptools

A library for packaging and distributing Python projects.

## Latest Python Packaging Authority Setuptools vulnerabilities

- [setuptools path escape via namespace_packages.txt on Windows](https://junglewise.ai/threats/setuptools-windows-path-escape-via-namespace-packages-txt-during-legacy-93ae767b) (medium, CVSS 4, published 23 Oct 2026)
- [CVE-2026-59890: pypa setuptools Unicode normalization bypass in MANIFEST.in exclusions](https://junglewise.ai/threats/cve-2026-59890-pypa-setuptools-unicode-normalization-bypass-in-manifest-in) (medium, CVSS 6.1, published 8 Jul 2026)
- [CVE-2026-24049: PyPA wheel path traversal in unpack function](https://junglewise.ai/threats/cve-2026-24049-pypa-wheel-path-traversal-in-unpack-function) (high, CVSS 7.1, published 22 Jan 2026)
- [CVE-2013-1633: Setuptools man-in-the-middle attack in package installation](https://junglewise.ai/threats/cve-2013-1633-setuptools-man-in-the-middle-attack-in-package-installation) (low, CVSS 3.1, published 6 Aug 2013)

## Most severe Python Packaging Authority Setuptools vulnerabilities

- [CVE-2026-24049: PyPA wheel path traversal in unpack function](https://junglewise.ai/threats/cve-2026-24049-pypa-wheel-path-traversal-in-unpack-function) (high, CVSS 7.1, published 22 Jan 2026)
- [CVE-2026-59890: pypa setuptools Unicode normalization bypass in MANIFEST.in exclusions](https://junglewise.ai/threats/cve-2026-59890-pypa-setuptools-unicode-normalization-bypass-in-manifest-in) (medium, CVSS 6.1, published 8 Jul 2026)
- [setuptools path escape via namespace_packages.txt on Windows](https://junglewise.ai/threats/setuptools-windows-path-escape-via-namespace-packages-txt-during-legacy-93ae767b) (medium, CVSS 4, published 23 Oct 2026)
- [CVE-2013-1633: Setuptools man-in-the-middle attack in package installation](https://junglewise.ai/threats/cve-2013-1633-setuptools-man-in-the-middle-attack-in-package-installation) (low, CVSS 3.1, published 6 Aug 2013)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 1 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Python Packaging Authority Setuptools vulnerabilities", https://junglewise.ai/threats/technologies/setuptools, 9 November 2026.