CVE-2025-54368: PYSEC-2026-2001 - uv allows ZIP payload obfuscation through parsing differentials

CVE-2025-54368 · Severity: medium · CVSS 4 · Published 2026-07-07

uv allows ZIP payload obfuscation through parsing differentials

Technologies: uv (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-54368 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-54368 being exploited in the wild.
How severe is CVE-2025-54368?
Medium severity, with a CVSS score of 4, published 7 July 2026.
Which products and versions are affected?
uv (PyPI) ECOSYSTEM:introduced=0,fixed=0.8.6.
Is there a fix for CVE-2025-54368?
Yes. uv (PyPI): upgrade to 0.8.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-54368?
Check whether you run uv (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

  • uv (PyPI): upgrade to 0.8.6 or later
    pip install "uv>=0.8.6"

Affected products

  • uv (PyPI) ECOSYSTEM:introduced=0,fixed=0.8.6

Identifiers

  • CVE-2025-54368
  • GHSA-8qf3-x8v5-2pj8
  • PYSEC-2026-2001

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