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CVE Vulnerability Details :
CVE-2026-25804
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-06 Feb, 2026 | 22:58
Updated At-09 Feb, 2026 | 15:25
Rejected At-
▼CVE Numbering Authority (CNA)
Antrea has invalid enforcement order for network policy rules caused by integer overflow

Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to versions 2.3.2 and 2.4.3, Antrea's network policy priority assignment system has a uint16 arithmetic overflow bug that causes incorrect OpenFlow priority calculations when handling a large numbers of policies with various priority values. This results in potentially incorrect traffic enforcement. This issue has been patched in versions 2.4.3.

Affected Products
Vendor
antrea-io
Product
antrea
Versions
Affected
  • < 2.3.2
  • >= 2.4.0, < 2.4.3
Problem Types
TypeCWE IDDescription
CWECWE-287CWE-287: Improper Authentication
CWECWE-770CWE-770: Allocation of Resources Without Limits or Throttling
Type: CWE
CWE ID: CWE-287
Description: CWE-287: Improper Authentication
Type: CWE
CWE ID: CWE-770
Description: CWE-770: Allocation of Resources Without Limits or Throttling
Metrics
VersionBase scoreBase severityVector
4.08.0HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U
Version: 4.0
Base score: 8.0
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
x_refsource_CONFIRM
https://github.com/antrea-io/antrea/pull/7496
x_refsource_MISC
https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa
x_refsource_MISC
Hyperlink: https://github.com/antrea-io/antrea/security/advisories/GHSA-86x4-wp9f-wrr9
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/antrea-io/antrea/pull/7496
Resource:
x_refsource_MISC
Hyperlink: https://github.com/antrea-io/antrea/commit/86c4b6010f3be536866f339b632621c23d7186fa
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found