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

Source: https://junglewise.ai/threats/cve-2025-54368-uv-allows-zip-payload-obfuscation-through-parsing-differentials  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

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

uv allows ZIP payload obfuscation through parsing differentials

Technologies: [uv (PyPI)](https://junglewise.ai/threats/technologies/uv). Vendors: [PyPI](https://junglewise.ai/threats/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

  ```sh
  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

## Related threats

- [Astral uv arbitrary file deletion through RECORD entries](https://junglewise.ai/threats/duplicate-advisory-uv-vulnerable-to-arbitrary-file-deletion-through-b611c497)
- [Astral uv compromised emSign CA root certificate](https://junglewise.ai/threats/pysec-2026-4321-uv-s-bundled-ca-store-trusts-an-emsign-root-whose-aeefabb5)
- [uv bundled CA store trusts compromised emSign root](https://junglewise.ai/threats/uv-s-bundled-ca-store-trusts-an-emsign-root-whose-intermediate-ca-keys-38269068)
- [uv path traversal in wheel extraction on Windows](https://junglewise.ai/threats/cve-2026-104843-uv-is-a-python-package-and-project-manager-written-in-rust-from)
- [Astral uv arbitrary file write via entry point path traversal](https://junglewise.ai/threats/astral-uv-arbitrary-file-write-via-entry-point-path-traversal-1cff2f04)