CVE-2025-54796: PYSEC-2026-1275 - copyparty allows Regex Denial of Service (ReDoS) in the upload listing

CVE-2025-54796 · Severity: low · CVSS 3.1 · Published 2026-07-07

copyparty allows Regex Denial of Service (ReDoS) in the upload listing

Technologies: copyparty (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-54796 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-54796 being exploited in the wild.
How severe is CVE-2025-54796?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
copyparty (PyPI) ECOSYSTEM:introduced=0,fixed=1.18.9.
Is there a fix for CVE-2025-54796?
Yes. copyparty (PyPI): upgrade to 1.18.9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-54796?
Check whether you run copyparty (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

  • copyparty (PyPI): upgrade to 1.18.9 or later
    pip install "copyparty>=1.18.9"

Affected products

  • copyparty (PyPI) ECOSYSTEM:introduced=0,fixed=1.18.9

Identifiers

  • CVE-2025-54796
  • GHSA-5662-2rj7-f2v6
  • PYSEC-2026-1275

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