Improper Authorization in JPress UCenter Article Submission Endpoint
CVE-2026-9376

5.3MEDIUM

Key Information:

Vendor

JPress

Status
Jpress
Vendor
CVE Published:
24 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9376?

A vulnerability exists in JPress versions up to 1.0.3, specifically within the UCenter Article Submission Endpoint. An unknown function in the file /ucenter/article/doWriteSave can be manipulated through crafted arguments, specifically id/userId, resulting in improper authorization issues. This flaw allows remote attackers to exploit the system, potentially gaining unauthorized access to sensitive functionalities. The vulnerability has been publicly disclosed, and despite being reported to the project maintainers, there has been no responsive action taken to address the issue.

Affected Version(s)

JPress 1.0.0

JPress 1.0.1

JPress 1.0.2

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-2026-9376 - Proof of Concept

References

https://vuldb.com/vuln/365339
vdb-entrytechnical-description
https://vuldb.com/vuln/365339/cti
signaturepermissions-required
https://vuldb.com/submit/813253
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

feng123123 (VulDB User)
VulDB CNA Team
.