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CVE-2026-106039— Mooncake Store through 0.3.13.post1 Missing Authorization in Replication Task RPC

Quick assessment

Affected
kvcache-ai Mooncake
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mooncake Store 0.3.13.post1 及之前版本存在一个缺失身份验证漏洞。攻击者可通过 coro_rpc 端口对未认证请求执行操作，从而创建、窃取和伪造完成复制任务。攻击者可以调用 CreateCopyTask、CreateMoveTask、FetchTasks 和 MarkTaskToComplete，并利用通过 QueryTask 泄露的受害者客户端 UUID，劫持任务队列，并记录从未实际发生的复制操作。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-106039

Vulnerability Information
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Vulnerability Title
Mooncake Store through 0.3.13.post1 Missing Authorization in Replication Task RPC
Source: CVE Program / CVE List V5
Vulnerability Description
Mooncake Store master through 0.3.13.post1 contains a missing authorization vulnerability that allows unauthenticated attackers to create, steal, and falsely complete replication tasks via the coro_rpc port. Attackers can invoke CreateCopyTask, CreateMoveTask, FetchTasks, and MarkTaskToComplete with victim client UUIDs disclosed by QueryTask to hijack task queues and record replication that never occurred.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
kvcache-ai Mooncake 0 ~ 0.3.13.post1 -

II. Public POCs for CVE-2026-106039

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-106039

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Other References for CVE-2026-106039 (4)

Same Patch Batch · kvcache-ai · 2026-10-06 · 5 CVEs total

CVE-2026-106037 9.8 CRITICAL Mooncake through 0.3.13.post1 Missing Authentication in Store REST Service
CVE-2026-106040 8.2 HIGH Mooncake Store through 0.3.13.post1 Missing Authorization via EvictDiskReplica RPC
CVE-2026-106038 8.2 HIGH Mooncake Store through 0.3.13.post1 Unauthenticated Object Deletion via Remove RPCs
CVE-2026-106041 6.5 MEDIUM Mooncake Store through 0.3.13.post1 Missing Authorization via NotifyOffloadSuccess RPC

IV. Related Vulnerabilities

Same product: Mooncake
Same vendor: kvcache-ai
Same weakness: CWE-862

V. Comments for CVE-2026-106039

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