Remote Code Execution Vulnerability in Xuxueli XXL-JOB by Xuxueli
CVE-2026-7306

6.3MEDIUM

Key Information:

Vendor

Xuxueli

Status
Xxl-job
Vendor
CVE Published:
28 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7306?

A remote code execution vulnerability has been discovered in the Xuxueli XXL-JOB product, specifically within the OpenAPI Endpoint's OpenApiController.java file. This vulnerability arises from the manipulation of the argument 'default_token,' which leads to the usage of hard-coded cryptographic keys. Attackers may exploit this vulnerability remotely, although the complexity of the exploit is considered high, making it challenging to exploit successfully. The issue has been publicly disclosed, raising the awareness of security risks involved with the affected versions of the product.

Affected Version(s)

xxl-job 3.3.0

xxl-job 3.3.1

xxl-job 3.3.2

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-2026-7306 - Proof of Concept

References

https://vuldb.com/vuln/359961
vdb-entrytechnical-description
https://vuldb.com/vuln/359961/cti
signaturepermissions-required
https://vuldb.com/submit/803077
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

larlarua (VulDB User)
.