Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N H N L N L L N 2.3 .0023 12.8 —
AFFECTED Product Versions Fixed Wanwu unspecified —
TIMELINE Oct 11 Reserved by VulnCheck Oct 11 Published (CNA: VulnCheck) Oct 13 EXPLOIT PUBLISHED — CVE-2026-108856 (UnicomAI Wanwu). Public exploit reference added.
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.
| Date | Event | Detail |
|---|---|---|
| October 11, 2026 | Reserved | Reserved by VulnCheck |
| October 11, 2026 | Published | Published (CNA: VulnCheck) |
| October 13, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-108856 (UnicomAI Wanwu). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| UnicomAI | Wanwu | — | — | — |
Authoritative record: CVE-2026-108856 at cve.org
Vendors: unicomai
Weaknesses: CWE-639
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-108856 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
