PYSEC-2026-852

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/neutron/PYSEC-2026-852.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-852
Aliases
Published
2026-07-06T08:03:25.500474Z
Modified
2026-07-07T11:46:06.844278785Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H CVSS Calculator
Summary
OpenStack Neutron Intended MAC-spoofing protection mechanism bypass
Details

The IPTables firewall in OpenStack Neutron up to 7.0.4 and 8.x before 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.

References

Affected packages

PyPI / neutron

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.1.0
Introduced
8.0.0
Fixed
8.1.0

Affected versions

0.*
0.0

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/neutron/PYSEC-2026-852.yaml"