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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 2
- StatusReceived → DeferredNVD modified 2026-10-16 19:18
- First seenCVSS 2.3NVD modified 2026-10-13 14:17
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 6
- https://github.com/UnicomAI/wanwu
- https://github.com/UnicomAI/wanwu/blob/v0.6.5/internal/app-service/client/orm/app_key.go#L37-L49
- https://github.com/UnicomAI/wanwu/blob/v0.6.5/internal/bff-service/server/http/middleware/auth_openapi.go#L46-L70
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-mcp-key-arbitrary-resource
- https://www.vulncheck.com/advisories/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-key-arbitrary-resource