CVE-2016-5363: PYSEC-2026-852 - OpenStack Neutron Intended MAC-spoofing protection mechanism bypass

CVE-2016-5363 · Severity: low · CVSS 3 · Published 2026-07-06

OpenStack Neutron Intended MAC-spoofing protection mechanism bypass

Technologies: neutron (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2016-5363 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2016-5363 being exploited in the wild.
How severe is CVE-2016-5363?
Low severity, with a CVSS score of 3, published 6 July 2026.
Which products and versions are affected?
neutron (PyPI) ECOSYSTEM:introduced=0,fixed=7.1.0, ECOSYSTEM:introduced=0,fixed=7.1.0,introduced=8.0.0,fixed=8.1.0.
Is there a fix for CVE-2016-5363?
Yes. neutron (PyPI): upgrade to 7.1.0, 8.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2016-5363?
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.

How to fix

  • neutron (PyPI): upgrade to 7.1.0, 8.1.0 or later
    pip install "neutron>=8.1.0"

Affected products

  • neutron (PyPI) ECOSYSTEM:introduced=0,fixed=7.1.0, ECOSYSTEM:introduced=0,fixed=7.1.0,introduced=8.0.0,fixed=8.1.0

Identifiers

  • CVE-2016-5363
  • GHSA-9pp3-cvmq-9p22
  • PYSEC-2026-852

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