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  4. CVE 2026 103760 mooncake transfer engine through 0313post1 denial
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Back to active CVEs
High · CVSS 8.2CVE-2026-103760

Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write

Answer in brief

CVE-2026-103760 records a High severity (CVSS 8.2) vulnerability in Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write. The current sources do not mark it as known exploited. The current feed maps kvcache-ai/Mooncake (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 1, 2026Updated Oct 1, 2026Source checked Oct 2, 2026First seen by HOL Oct 1, 2026Material review Oct 1, 2026
Upstream Advisory

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-400
Source
CVE List V5
Source checked
Oct 2, 2026
References
4 linked sources
Open source record

Key facts

Risk
High · CVSS 8.2
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps kvcache-ai/Mooncake (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
kvcache-ai/Mooncakegeneric>=0 <=0.3.13.post1Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for kvcache-ai/Mooncake.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 1, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

Mooncake transfer engine through 0.3.13.post1 contains a denial of service vulnerability that allows unauthenticated remote attackers to block the handshake daemon by never reading replies. Attackers can send a Metadata request to the handshake RPC port and stall SocketHandShakePlugin's single listener thread in writeFully(), breaking all subsequent handshakes, metadata fetches, notify and probe requests.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Mooncake transfer engine through 0.3.13.post1 Memory Exhaustion via Unbounded Notify QueueSame kvcache-ai/mooncake package
  • Mooncake transfer engine before 0.3.13 Unauthenticated Arbitrary Memory Read/Write via TCP TransportSame kvcache-ai/mooncake package
  • Mooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata ServerSame kvcache-ai/mooncake package
  • 389-ds-base: 389-ds-base: unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-pdu connection requeueAlso CWE-400
  • Office-PowerPoint-MCP-Server through 2.0.7 Path Traversal via save_presentation and manage_imageSame generic ecosystem
  • Wormhole.app SSRFSame generic ecosystem