EUVD-2026-77092
GHSA-5rvc-gp3g-98qc
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible RPC endpoint requires low-privilege authentication; all impacts are limited and symmetric, with no scope change to subsequent systems.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
5DescriptionCVE.org
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.
AnalysisAI
Missing authorization in wxiaoqi Spring-Cloud-Platform 3.0.1 and 3.1.0 enables remote authenticated attackers to bypass permission enforcement via the checkUserPermission function in the Permission Service RPC component. A proof-of-concept exploit (poc_vuln1_failopen_authz.zip) is publicly available on GitHub, lowering the barrier to exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires low-privilege authentication (PR:L per the CVSS 4.0 vector) - the attacker must hold a valid account in the Spring-Cloud-Platform application. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 5.3 (Medium) with vector AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L reflects a network-accessible, low-complexity attack requiring low-privilege authentication, with limited and symmetric confidentiality, integrity, and availability impact confined to the vulnerable system. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch identified at time of analysis - the vendor was notified via GitHub issue report (https://github.com/wxiaoqi/Spring-Cloud-Platform/issues/64) but has not responded. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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