Vulnerability · Published Apr 17, 2026 · Assigned by icscert
CVE-2026-40434Anviz CrossChex Standard Improper Verification of Source of a Communication Channel
High 8.1
In plain English
A high-severity security flaw in Anviz CrossChex Standard from Anviz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.2%top 86.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Anviz | Anviz CrossChex Standard | All versions |
Weakness: CWE-940 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H