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    CVE-2026-104433

    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.

    Published:Oct 2, 2026
    Last Modified:Oct 5, 2026
    EPS:Oct 2, 2026
    EPSS Score:0.00366
    CVSS Score:7.5

    Affected Products

    Vendor
    Kvcache-ai
    Product
    Mooncake

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-106039 (CVSS 6.9) — Mooncake Store master through 0.3.13.post1 contains a missing authorization vulnerability that allows unauthen…
    CVE-2026-106038 (CVSS 8.8) — Mooncake Store master through 0.3.13.post1 contains a missing authentication vulnerability that allows unauthe…
    CVE-2026-106037 (CVSS 9.3) — Mooncake through 0.3.13.post1 contains a missing authentication vulnerability in the Store REST service, which…
    CVE-2026-103765 (CVSS 8.8) — Mooncake through 0.3.13.post1 contains a missing authentication vulnerability in the HTTP metadata server /met…
    CVE-2026-103764 (CVSS 9.3) — Mooncake transfer engine before 0.3.13 contains an untrusted pointer dereference in ServerSession::readHeader …
    CVE-2026-103761 (CVSS 8.7) — Mooncake transfer engine through 0.3.13.post1 contains a memory exhaustion vulnerability in TransferMetadata::…
    CVE-2026-103760 (CVSS 8.2) — Mooncake transfer engine through 0.3.13.post1 contains a denial of service vulnerability that allows unauthent…
    CVE-2026-96764 (CVSS 2.1) — A weakness has been identified in kvcache-ai mooncake up to 0.3.12/0.3.14-rc1. Impacted is the function Master…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High