High 7.5Published Oct 2, 2026

CVE-2026-104433Mooncake before 0.3.12 Out-of-Bounds Read via P2P Handshake readString

Updated under an hour ago (2026-10-19 09:50 UTC)

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 0.37%, higher than 29% of scored CVEs.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for kvcache-ai Mooncake

Exploited in the last 30 days

Mooncake transfer engine before 0.3.12 contains an out-of-bounds read vulnerability in the readString function of include/common.h that allows unauthenticated attackers to crash the service by sending a zero-length handshake frame. Attackers can connect to the handshake port listening on all interfaces and send an eight-byte frame to terminate the hosting process, such as an SGLang inference server.

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-125
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 5, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

kvcache-ai Mooncake kvcache_ai:mooncake (from the name)	before 0.3.12; 0.3.12 not affected	CNA record

References

https://github.com/kvcache-ai/Mooncake/issues/4452issue-tracking
https://github.com/kvcache-ai/Mooncake/commit/c142b40590259360196d8e504b2193382529e7b4patch
https://github.com/kvcache-ai/Mooncakeproduct
https://www.vulncheck.com/advisories/mooncake-before-0.3.12-out-of-bounds-read-via-p2p-handshake-readstringthird-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.