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CVE record · CVE-2026-16520

Improper input validation in Genians Genian NAC V4.0 and others

CVSS 8.7 HighEPSS 0.0054 · 45th percentile

Published by the CVE Program (CNA: FSI) at 20 Aug 2026, 23:57 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Genians Genian NAC V4.0
  • affected 4.0.0 to before 4.0.175(Revision 150340) custom
Other versions: unaffected
Genians Genian NAC V5.0
  • affected 5.0.0 to before 5.0.65 LTS(Revision 150331) custom
  • affected 5.0.0 to before 5.0.75 LTS(Revision 150330) custom
  • affected 5.0.0 to before 5.0.87 Release Stable(Revision 150329) custom
  • affected 5.0.0 to before 5.0.88(Revision 150328) custom
Other versions: unaffected
Genians Genian ZTNA V6.0
  • affected 6.0.0 to before 6.0.26 LTS(Revision 150337) custom
  • affected 6.0.0 to before 6.0.35 LTS(Revision 150336) custom
  • affected 6.0.0 to before 6.0.47 Release Stable(Revision 150334) custom
  • affected 6.0.0 to before 6.0.48(Revision 150333) custom
Other versions: unaffected
Identifiers
CVE-2026-16520
CNA
FSI
Weakness (CWE)
CWE-20 · CWE-202
Tags
Published
20 Aug 2026
Updated
21 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (FSI)
  • CISA KEV Not listed.
  • EPSS 0.0054, the 45th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.