CVE-2026-104433

Summary

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.

Affected Software

VendorProductVersion RangeStatus
kvcache-aiMooncake0 < 0.3.12affected
kvcache-aiMooncake0.3.12unaffected

Weaknesses

  • CWE-125: Out-of-bounds Read

References