# CVE-2026-40434

> Vulnerability · severity: **HIGH** (CVSS 8.1).

## Description

Anviz CrossChex Standard
lacks source verification in the client/server channel, enabling TCP 
packet injection by an attacker on the same network to alter or disrupt 
application traffic.

## Key facts

- **CVE ID:** CVE-2026-40434
- **Published:** 2026-04-17
- **CVSS severity:** HIGH
- **CVSS base score:** 8.1
- **CWE codes:** CWE-940

## Affected products

- `anviz:crosschex_standard`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40434

## Citation

> AI Analytics. CVE-2026-40434. Retrieved 2026-07-15 from https://api.ai-analytics.org/cve/CVE-2026-40434. Derived from NIST NVD. Licensed CC0.

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