Is there a public exploit for CVE-2026-8643?

No public exploit for CVE-2026-8643 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-8643?

CVE-2026-8643 scores CVSS 4.1 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.32%.

What does CVE-2026-8643 affect?

CVE-2026-8643 affects Python Packaging Authority pip.

4.1 Medium

pip would treat consolescripts and guiscripts as paths instead of file names without sanitizing the resolved absolute path to the…

CVE-2026-8643

pip would treat consolescripts and guiscripts 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.

Assessment

CVSS: 4.1 (v4.0)
Severity: Medium
EPSS: 0.32% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 1 June 2026
Last updated: 16 September 2026
Affected: Python Packaging Authority · pip
Weakness: CWE-22
Assigner: cna@python.org

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

At the source

References

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