CVE-2026-103765Mooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata Server
Updated under an hour ago ()
Does this affect you?
It affects kvcache-ai Mooncake. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.50%, higher than 41% of scored CVEs.
Do this next
Free account, 1 product
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.
- CVSS
- 9.4 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
- Weakness (CWE)
- CWE-306
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.50% (percentile 41)
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
kvcache-ai Mooncake kvcache_ai:mooncake (from the name) | through 0.3.13.post1 | CNA record |
References
- https://github.com/kvcache-ai/Mooncake/issues/4444issue-tracking
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/http_metadata_server.py#L61-L106technical-description
- https://github.com/kvcache-ai/Mooncakeproduct
- https://www.vulncheck.com/advisories/mooncake-through-0.3.13-post1-missing-authentication-in-http-metadata-serverthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.