Vulnerability Intelligence Report
Mooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata Server
CVE-2026-103765
Mooncake through 0.3.13.post1 contains a missing authentication vulnerability in the HTTP metadata server /metadata handler that allows unauthenticated attackers to read, overwrite, and delete transfer engine metadata keys. Attackers can poison segment descriptors such as tcp_data_port or re-create rpc_meta entries to redirect KV cache transfers to attacker-controlled listeners, or exhaust server memory.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
EPSS Probability:0.50%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-306 ↗Missing Authentication for Critical Function
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| kvcache-ai | Mooncake | 0 <= 0.3.13.post1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.500%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-10-01T10:39:47 |
| Published | 2026-10-01T23:19:58 |
| Patch Date | 2026-10-01 |
| Last Updated | 2026-10-02T19:47:34 |
Community Chatter & Buzz