Vulnerability · Published Aug 20, 2026 · Assigned by FSI
CVE-2026-16520
High 8.7
In plain English
A high-severity improper input validation in Genian NAC V4.0 from Genians. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Official description
Improper input validation and Exposure of sensitive information through data queries vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, and Genians Genian ZTNA V6.0 allows SQL Injection and Authentication Bypass. This issue affects Genian NAC V4.0: from 4.0.0 before 4.0.175(Revision 150340); Genian NAC V5.0: from 5.0.0 before 5.0.65 LTS(Revision 150331), from 5.0.0 before 5.0.75 LTS(Revision 150330), from 5.0.0 before 5.0.87 Release Stable(Revision 150329), and from 5.0.0 before 5.0.88(Revision 150328); Genian ZTNA V6.0: from 6.0.0 before 6.0.26 LTS(Revision 150337), from 6.0.0 before 6.0.35 LTS(Revision 150336), from 6.0.0 before 6.0.47 Release Stable(Revision 150334), and from 6.0.0 before 6.0.48(Revision 150333).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Genians | Genian NAC V4.0 | 4.0.0 – before 4.0.175(Revision 150340) |
| Genians | Genian NAC V5.0 | 5.0.0 – before 5.0.65 LTS(Revision 150331)5.0.0 – before 5.0.75 LTS(Revision 150330)5.0.0 – before 5.0.87 Release Stable(Revision 150329)5.0.0 – before 5.0.88(Revision 150328) |
| Genians | Genian ZTNA V6.0 | 6.0.0 – before 6.0.26 LTS(Revision 150337)6.0.0 – before 6.0.35 LTS(Revision 150336)6.0.0 – before 6.0.47 Release Stable(Revision 150334)6.0.0 – before 6.0.48(Revision 150333) |
Weakness: CWE-20, CWE-202 · Vector: 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