CVE-2026-103761Mooncake transfer engine through 0.3.13.post1 Memory Exhaustion via Unbounded Notify Queue
Updated under an hour ago ()
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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 0.37%, higher than 29% of scored CVEs.
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Mooncake transfer engine through 0.3.13.post1 contains a memory exhaustion vulnerability in TransferMetadata::receivePeerNotify that allows unauthenticated attackers to grow process memory without limit. Attackers can repeatedly send notify frames up to 1 MB to the handshake RPC port, filling the uncapped notifys vector until the out-of-memory killer terminates the engine.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.37% (percentile 29)
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 6, 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/4445issue-tracking
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296technical-description
- https://github.com/kvcache-ai/Mooncakeproduct
- https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-memory-exhaustion-via-unbounded-notify-queuethird-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.