CVE-2026-8643: pip can extract console_scripts and gui_scripts outside installation directory

CSIRTS triage

What

pip can extract console_scripts and gui_scripts outside the installation directory.

Who is affected

Users of pip who install packages with console_scripts or gui_scripts.

Urgency

Remediation is necessary to prevent potential security issues, though exploitation is not currently reported.

Action

Update to the latest version of pip.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

Microsoft Security Response Center (INTL · vendor-psirt · site)

Severity

unknown

Published

2026-06-09

Exploitation

Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-8643

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-86430.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• high[NEW] [high] Red Hat Enterprise Linux (python-pip): Vulnerability allows code executioncert-bund
• mediumGHSA-wf93-45jw-7689: pip: Path traversal in console_scripts/gui_scripts entry point names allows installing sc…ghsa

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• unknownCVE-2026-13779: Chromium: CVE-2026-13779 Use after free in Chromoting2026-07-02