CVE catalog
CVE-2026-40434
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.
- Severity
- High · CVSS 8.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.23% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | crosschex_standard | Not reported | Not reported | unknown |
| Cpe | crosschex_standard | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-40434]
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-106-03.json]
- [https://www.anviz.com/contact-us.html]
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03]
[CISA cybersecurity advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]