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High 8.1Published Apr 17, 2026
CVE-2026-40434Anviz CrossChex Standard Improper Verification of Source of a Communication Channel
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weakness (CWE)
- CWE-940
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- icscert
- NVD analysis
- Analyzed
- Record last updated
- Apr 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Anviz Anviz CrossChex Standard anviz:crosschex_standard (from the name) | all versions | CNA record |
anviz crosschex_standard anviz:crosschex_standard | all versions | NVD |
References
- https://www.anviz.com/contact-us.htmlproduct
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-106-03us-government-resource
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-106-03.jsonthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.