Code Injection Vulnerability in RuoYi Management System by yangzongzhuan
CVE-2026-4564

5.1MEDIUM

Key Information:

Vendor

Yangzongzhuan

Status
Ruoyi
Vendor
CVE Published:
22 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4564?

A security flaw has been identified in the RuoYi Management System by yangzongzhuan, affecting versions up to 4.8.2. The vulnerability resides in the Quartz Job Handler, specifically in the handling of arguments for the /monitor/job/ file. This issue allows unauthorized code execution via injected commands, enabling remote attackers to exploit the system. Despite being notified of the vulnerability, the vendor has not provided a response, raising concerns over the potential for misuse of this exploit, which has already been disclosed publicly.

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Affected Version(s)

RuoYi 4.8.0

RuoYi 4.8.1

RuoYi 4.8.2

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-2026-4564 - Proof of Concept

References

https://vuldb.com/?id.352401
vdb-entrytechnical-description
https://vuldb.com/?ctiid.352401
signaturepermissions-required
https://vuldb.com/?submit.775116
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:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Caishibo_ (VulDB User)
VulDB
JSON
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