CVE-2026-103764
9.8 CRITICALpublic exploit availablePublished 2026-10-02 · Updated 2026-10-02
AI risk analysis
- Summary
- The flaw in Mooncake transfer engine before 0.3.13 allows unauthenticated attackers to read and write arbitrary process memory, potentially disclosing sensitive information or leading to code execution.
- Exploitability
- Exploitation is relatively straightforward as it requires sending a crafted SessionHeader with specific opcodes. The attacker must have access to the TCP transport data port.
- Blast radius
- If exploited, the impact could be severe, including the disclosure of sensitive KV cache contents, prompts, and secrets, or even code execution.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to Mooncake transfer engine 0.3.13 or later.
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
Mooncake transfer engine before 0.3.13 contains an untrusted pointer dereference in ServerSession::readHeader that allows unauthenticated attackers to read and write arbitrary process memory via the TCP transport data port. Attackers can send a crafted SessionHeader with arbitrary addr and size values using READ or WRITE opcodes to disclose KV cache contents, prompts and secrets or corrupt memory toward code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-822
Public exploit & PoC references
- https://github.com/kvcache-ai/Mooncake
- https://github.com/kvcache-ai/Mooncake/blob/6041a609a8c3af35e778f70db344f145c2914980/mooncake-transfer-engine/src/transport/tcp_transport/tcp_transport.cpp#L209
- https://github.com/kvcache-ai/Mooncake/commit/a2933849417259e562fc9cbad63c618d464dfb2d
- https://github.com/kvcache-ai/Mooncake/issues/4441
- https://github.com/kvcache-ai/Mooncake/releases/tag/v0.3.13
- https://github.com/kvcache-ai/Mooncake/issues/4441
All references
- https://github.com/kvcache-ai/Mooncake
- https://github.com/kvcache-ai/Mooncake/blob/6041a609a8c3af35e778f70db344f145c2914980/mooncake-transfer-engine/src/transport/tcp_transport/tcp_transport.cpp#L209
- https://github.com/kvcache-ai/Mooncake/commit/a2933849417259e562fc9cbad63c618d464dfb2d
- https://github.com/kvcache-ai/Mooncake/issues/4441
- https://github.com/kvcache-ai/Mooncake/releases/tag/v0.3.13
- https://www.vulncheck.com/advisories/mooncake-transfer-engine-before-0.3.13-unauthenticated-arbitrary-memory-read-write-via-tcp-transport
- https://github.com/kvcache-ai/Mooncake/issues/4441
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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