CVE-2026-103760
Medium
Description
Mooncake transfer engine through 0.3.13.post1 contains a denial of service vulnerability that allows unauthenticated remote attackers to block the handshake daemon by never reading replies. Attackers can send a Metadata request to the handshake RPC port and stall SocketHandShakePlugin's single listener thread in writeFully(), breaking all subsequent handshakes, metadata fetches, notify and probe requests.
SeverityMedium
CVSS5.9
Exploit probability—
ProductMooncake
PublishedOct 1, 2026
First seenOct 1, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kvcache-ai Mooncake | v ≤ 0.3.13.post1 | — |
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