Medium severity4.2NVD Advisory· Published Oct 11, 2026
CVE-2026-108856
CVE-2026-108856
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
4- github.com/UnicomAI/wanwu/blob/v0.6.5/internal/app-service/client/orm/app_key.gonvd
- github.com/UnicomAI/wanwu/blob/v0.6.5/internal/bff-service/server/http/middleware/auth_openapi.gonvd
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-mcp-key-arbitrary-resourcenvd
- www.vulncheck.com/advisories/unicomai-wanwu-through-0.6.5-authorization-bypass-via-v1-appspace-app-key-appkey-mintingnvd
News mentions
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