CVE-2023-3637: PYSEC-2026-1694 - Denial of service in neutron

CVE-2023-3637 · Severity: low · CVSS 3.1 · Published 2026-07-07

Denial of service in neutron

Technologies: neutron (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2023-3637 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-3637 being exploited in the wild.
How severe is CVE-2023-3637?
Low severity, with a CVSS score of 3.1, published 7 July 2026.
Which products and versions are affected?
neutron (PyPI) ECOSYSTEM:introduced=0,last_affected=22.0.2.
Is there a fix for CVE-2023-3637?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2023-3637?
Check whether you run neutron (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.

Affected products

  • neutron (PyPI) ECOSYSTEM:introduced=0,last_affected=22.0.2

Identifiers

  • CVE-2023-3637
  • GHSA-r3jh-qhgj-gvr8
  • PYSEC-2026-1694

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