{"schema":"threatline.record/2","record":{"id":"CVE-2026-108856","aliases":[],"summary":"UnicomAI Wanwu through 0.6.5 Authorization Bypass via /v1/appspace/app/key AppKey Minting","details":"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.","categories":["Unclassified"],"product":"Wanwu","vendor":"UnicomAI","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-108856","source_modified_at":"2026-10-13T13:41:14.911Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Wanwu","vendor":"UnicomAI","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.6.5","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":2.3,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00229,"percentile":0.12993,"score_date":"2026-10-23"},"published_at":"2026-10-11T13:26:04.558Z","modified_at":"2026-10-13T13:41:14.911Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-108856","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T13:41:14.911Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-108856","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-mcp-key-arbitrary-resource","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/UnicomAI/wanwu/blob/v0.6.5/internal/app-service/client/orm/app_key.go#L37-L49","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/UnicomAI/wanwu/blob/v0.6.5/internal/bff-service/server/http/middleware/auth_openapi.go#L46-L70","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/UnicomAI/wanwu","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/unicomai-wanwu-through-0.6.5-authorization-bypass-via-v1-appspace-app-key-appkey-minting","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-108856-unicomai-wanwu-mcp-key-arbitrary-resource","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T13:40:25.717675Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T13:41:14.911Z","content_hash":"462682b3d0cb010d2c9899d70293e25cc5c27834ec202694cd7613a4bfe50628"}}