CVE-2026-16520
Genians Genian NAC and Genian ZTNA SQL Injection and Authentication Bypass Vulnerability
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).
INFO
Published Date :
Aug. 21, 2026, 12:16 a.m.
Last Modified :
Aug. 21, 2026, 12:16 a.m.
Remotely Exploit :
Yes !
Source :
09832df1-09c1-45b4-8a85-16c601d30feb
Affected Products
The following products are affected by CVE-2026-16520
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 09832df1-09c1-45b4-8a85-16c601d30feb | ||||
| CVSS 4.0 | HIGH | 09832df1-09c1-45b4-8a85-16c601d30feb |
Solution
- Update Genian NAC to version 4.0.175 or later.
- Update Genian NAC to version 5.0.65 LTS or later.
- Update Genian ZTNA to version 6.0.26 LTS or later.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16520.
| URL | Resource |
|---|---|
| https://docs.genians.com/release/ko/advisories/GN-SA-2026-003.html | |
| https://github.com/genians/security-research/security/advisories/GHSA-f6f5-wx2h-ccfw |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16520 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16520
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16520 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16520 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 09832df1-09c1-45b4-8a85-16c601d30feb
Aug. 21, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Genians', 'product': 'Genian NAC V4.0', 'versions': [{'status': 'affected', 'version': '4.0.0', 'lessThan': '4.0.175(Revision 150340)', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Genians', 'product': 'Genian NAC V5.0', 'versions': [{'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.65 LTS(Revision 150331)', 'versionType': 'custom'}, {'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.75 LTS(Revision 150330)', 'versionType': 'custom'}, {'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.87 Release Stable(Revision 150329)', 'versionType': 'custom'}, {'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.88(Revision 150328)', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Genians', 'product': 'Genian ZTNA V6.0', 'versions': [{'status': 'affected', 'version': '6.0.0', 'lessThan': '6.0.26 LTS(Revision 150337)', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.0.0', 'lessThan': '6.0.35 LTS(Revision 150336)', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.0.0', 'lessThan': '6.0.47 Release Stable(Revision 150334)', 'versionType': 'custom'}, {'status': 'affected', 'version': '6.0.0', 'lessThan': '6.0.48(Revision 150333)', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added 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). Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-20 Added CWE CWE-202 Added Reference https://docs.genians.com/release/ko/advisories/GN-SA-2026-003.html Added Reference https://github.com/genians/security-research/security/advisories/GHSA-f6f5-wx2h-ccfw