CVE-2026-6357: PYSEC-2026-2876 - pip Vulnerable to Inclusion of Functionality from Untrusted Control Sphere

CVE-2026-6357 · Severity: medium · CVSS 4 · Published 2026-07-13

pip Vulnerable to Inclusion of Functionality from Untrusted Control Sphere

Technologies: pip (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2026-6357 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-6357 being exploited in the wild.
How severe is CVE-2026-6357?
Medium severity, with a CVSS score of 4, published 13 July 2026.
Which products and versions are affected?
pip (PyPI) ECOSYSTEM:introduced=0,fixed=26.1.
Is there a fix for CVE-2026-6357?
Yes. pip (PyPI): upgrade to 26.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-6357?
Check whether you run pip (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • pip (PyPI): upgrade to 26.1 or later
    pip install "pip>=26.1"

Affected products

  • pip (PyPI) ECOSYSTEM:introduced=0,fixed=26.1

Identifiers

  • CVE-2026-6357
  • GHSA-jp4c-xjxw-mgf9
  • PYSEC-2026-2876

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