UnicomAI Wanwu through 0.6.5 contains an authorization bypass vulnerability that allows authenticated users to mint AppKeys bound to other users' MCP servers via POST /v1/appspace/app/key. Attackers supplying a victim's MCP server UUID with appType mcpserver can open MCP sessions and invoke the server's tools using the victim's upstream authentication.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
unicomai:wanwu
References 6
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-mcp-key-arbitrary-reso…
NVD
https://github.com/UnicomAI/wanwu/blob/v0.6.5/internal/app-service/client/orm/a…
NVD
https://github.com/UnicomAI/wanwu/blob/v0.6.5/internal/bff-service/server/http/…
NVD
https://github.com/UnicomAI/wanwu
NVD
https://www.vulncheck.com/advisories/unicomai-wanwu-through-0.6.5-authorization…
VulnCheck Advisory: UnicomAI Wanwu through 0.6.5 Authorization Bypass via /v1/appspace/app/key AppKey Minting
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-108856-unicomai-wanwu-mcp-ke…
134c704f-9b21-4f2e-91b3-4a467353bcc0