Authorization Bypass in wxiaoqi Spring-Cloud-Platform Affects Permission Service
CVE-2026-90594

5.3MEDIUM

Key Information:

Vendor

Wxiaoqi

Status
Spring-cloud-platform
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90594?

A vulnerability exists in wxiaoqi's Spring-Cloud-Platform versions 3.0.1 and 3.1.0, specifically within the Permission Service's checkUserPermission function. This oversight allows remote attackers to manipulate the system, leading to unauthorized access. While the issue was reported to the project maintainers, no response has been documented, making this vulnerability particularly concerning as exploits are publicly accessible.

Affected Version(s)

Spring-Cloud-Platform 3.0.1

Spring-Cloud-Platform 3.1.0

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-2026-90594 - Proof of Concept

References

https://vuldb.com/vuln/403176
vdb-entrytechnical-description
https://vuldb.com/vuln/403176/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90594
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

emiya (VulDB User)
VulDB CNA Team
.