PT-2026-33503 · Anviz · Crosschex Standard

Published 2026-04-17 · Updated 2026-05-04 · CVE-2026-40434

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions Anviz CrossChex Standard (affected versions not specified)

Description The software lacks source verification in the client/server channel. This allows an attacker on the same network to perform TCP packet injection to alter or disrupt application traffic.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-940

Related Identifiers

CVE-2026-40434

Affected Products

Crosschex Standard

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-40434 · Security Note
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json · Note
• https://t.me/cveNotify/162029 · Telegram Post
• https://twitter.com/giuseppe_1337/status/2046387855476351271 · Twitter Post
• https://twitter.com/CVEnew/status/2045467417044713630 · Twitter Post
• https://cisa.gov/news-events/ics-advisories/icsa-26-106-03 · Note
• https://anviz.com/contact-us.html · Note
• https://twitter.com/infoflowcloud/status/2045469820338995288 · Twitter Post