Is this vulnerability remotely exploitable?

It can be influenced remotely if an attacker has network access to the Kubernetes API and the ability to create or modify Antrea-related network policies. The vulnerability itself is in the controller's logic, but the practical impact is indirectly exploitable through policy configuration.

What level of access is required to take advantage of this issue?

An attacker typically needs permissions to define or alter network policies (for example, namespaced or cluster-wide Antrea policies). In a multi-tenant cluster where tenants can manage their own network policies, a malicious or compromised tenant could potentially manipulate policy volume or priorities to influence enforcement.

What is the safest general fix pattern for this kind of problem?

The safest pattern is to use data types and algorithms that cannot silently overflow for critical control values such as policy priorities, combined with strict bounds checking and validation of all computed priority values before rule installation. Additionally, implementing sanity checks that verify the final rule ordering against expected policy semantics helps ensure correctness.

Severity:

CRITICAL RISK

(9.1)

Network Policy Priority Miscalculation (CWE-770) in Antrea Kubernetes Networking

CVE-2026-25804

Published:

Feb 6, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-78

CRITICAL RISK

CRITICAL

(9.9)

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Remote Code Execution

March 7, 2026

CWE-89

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Remote Code Execution via SQL Injection on the Database Server

March 7, 2026

Vulnerability Type

Category:

Network Policy Enforcement Error

CWE:

CWE-287;CWE-770

Impact:

Bypass or Misapplication of Network Access Controls

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Network Policy Enforcement Error

CWE:

CWE-287;CWE-770

Impact:

Bypass or Misapplication of Network Access Controls

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Network Policy Priority Miscalculation (CWE-770) in Antrea Kubernetes Networking

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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