Vulnerability · Published Sep 13, 2026 · Assigned by VulDB

CVE-2026-90594wxiaoqi Spring-Cloud-Platform Permission Service PermissionService.java PermissionService.checkUserPermission authorization

Medium 6.3

In plain English

A medium-severity missing authorization in Spring-Cloud-Platform from wxiaoqi. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 69.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in wxiaoqi Spring-Cloud-Platform 3.0.1/3.1.0. This vulnerability affects the function PermissionService.checkUserPermission of the file /rpc/service/PermissionService.java of the component Permission Service. The manipulation leads to missing authorization. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
wxiaoqi	Spring-Cloud-Platform	3.0.13.1.0

Weakness: CWE-862, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-403176 | wxiaoqi Spring-Cloud-Platform Permission Service PermissionService.java PermissionService.checkUserPermission authorization vdb-entry, technical-description
VDB-403176 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-90594 | CVE Analysis and Report third-party-advisory
Submit #913788 | wxiaoqi Spring-Cloud-Platform 3.0 Missing Authorization third-party-advisory
https://github.com/wxiaoqi/Spring-Cloud-Platform/issues/64 issue-tracking
https://github.com/user-attachments/files/30627348/poc_vuln1_failopen_authz.zip exploit
https://github.com/wxiaoqi/Spring-Cloud-Platform/ product