---
cve: "CVE-2026-8643"
severity: "MEDIUM"
cvss: 4.1
epss: "0.3%"
vendor: "Python Packaging Authority"
kev: false
exploited: false
published: "2026-06-01 17:17:35"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T05:30:20+02:00"
---

# CVE-2026-8643

> 4.1 MEDIUM · 🧪 PoC

## Beschreibung

pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.

## CVSS-Vektor

```
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |

## Patch verfügbar (OSV)

- 31d7d168953668aad85154d6121879d07fbeac27 (Commit)

## Referenzen

- <https://github.com/pypa/pip/pull/14000>
- <https://mail.python.org/archives/list/security-announce@python.org/thread/YV63UET5D3OOJY7O4M5XCVYO2YM4NBYJ/>
- <http://www.openwall.com/lists/oss-security/2026/06/01/5>
- <https://access.redhat.com/errata/RHSA-2026:33313>
- <https://access.redhat.com/errata/RHSA-2026:34374>
- <https://access.redhat.com/errata/RHSA-2026:34456>
- <https://access.redhat.com/errata/RHSA-2026:34739>
- <https://access.redhat.com/errata/RHSA-2026:34740>
- <https://access.redhat.com/errata/RHSA-2026:34741>
- <https://access.redhat.com/errata/RHSA-2026:34748>
- <https://access.redhat.com/errata/RHSA-2026:34749>
- <https://access.redhat.com/errata/RHSA-2026:34750>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-8643) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_