OS Command Injection Vulnerability in Z.ai Zcode Software
CVE-2026-116118

5.3MEDIUM

Key Information:

Vendor

Z.ai

Status
Zcode
Vendor
CVE Published:
26 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-116118?

A significant security risk has been identified in Z.ai's Zcode software versions up to 3.14.3 and 3.15.1. This vulnerability lies within the Sed Command Filter component, where inadequate handling may allow malicious actors to execute arbitrary OS commands. Given that the exploit has been publicly disclosed, there is a heightened risk of remote exploitation, necessitating immediate attention and remediation to safeguard affected systems.

Affected Version(s)

Zcode 3.14.0

Zcode 3.14.1

Zcode 3.14.2

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-2026-116118 - Proof of Concept

References

https://vuldb.com/vuln/426186
vdb-entry
https://vuldb.com/vuln/426186/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116118
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
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

ShiyuFan_BinYuan (VulDB User)
.