CVE-2026-104433

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

Published Oct 2, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Kvcache-ai
Kvcache-ai mooncake
Vendors & Products Kvcache-ai
Kvcache-ai mooncake
Type Values Removed Values Added
Description 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.
Title Mooncake before 0.3.12 Out-of-Bounds Read via P2P Handshake readString
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 5, 2026, 4:08 PM
Reserved
Oct 2, 2026, 12:50 AM
Status
Deferred
Published
Oct 3, 2026, 12:16 AM
Modified
Oct 6, 2026, 3:25 PM