CVE-2026-108856

Medium

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.

SeverityMedium

CVSS4.2

Exploit probability—

ProductWanwu

PublishedOct 11, 2026

First seenOct 11, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
UnicomAI Wanwu	v ≤ 0.6.5	—

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