Insufficient Authentication Vulnerability in Genian NAC/ZTNA Policy Server
CVE-2026-76142

9.3CRITICAL

Key Information:

Vendor

Genians, Inc

Status
Genian Nac 5.0.75 Lts Release
Genian Nac 5.0.85 Release Stable
Genian Nac 5.0.86 Release
Genian Ztna 6.0.35 Lts Release
Vendor
CVE Published:
1 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-76142?

An insufficient authentication and access control vulnerability exists within the internal-only IPC SOAP endpoint of the Genian NAC/ZTNA policy server. This flaw allows an unauthenticated attacker to interact with sensitive internal functions, potentially leading to unauthorized access and manipulation of the server's operations. Proper security measures must be implemented to safeguard against such threats and protect the integrity of the system.

Affected Version(s)

Genian NAC 5.0.75 LTS Release 135823 < 148667

Genian NAC 5.0.85 Release Stable 147181 < 148666

Genian NAC 5.0.86 Release 148018 < 148665

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-76142
Created by MalHyuk

References

https://docs.genians.com/release/ko/advisories/GN-SA-2026...
https://github.com/genians/security-research/security/adv...

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
Low
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

segyeong
.