OS Command Injection in JumpServer by JumpServer
CVE-2026-112159

5.1MEDIUM

Key Information:

Vendor

JumpServer

Status
Jumpserver
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112159?

A vulnerability in JumpServer versions prior to 5.0.0 allows for OS command injection through the Template Rendering component. By manipulating the IP/HOST argument, an attacker can execute remote commands, potentially leading to unauthorized access and system compromise. Users are urged to upgrade to version 5.0.0 or the upcoming patched release in the v4 branch to prevent exploitation. The issue underscores the importance of timely updates to address known vulnerabilities.

Affected Version(s)

JumpServer 4.10.0

JumpServer 4.10.1

JumpServer 4.10.2

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-2026-112159 - Proof of Concept

References

https://vuldb.com/vuln/422286
vdb-entrytechnical-description
https://vuldb.com/vuln/422286/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112159
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

seikruun (VulDB User)
VulDB CNA Team
.