CVE-2026-106039mediumCWE-862

CVE-2026-106039: medium-severity vulnerability in kvcache-ai Mooncake

Mooncake Store through 0.3.13.post1 Missing Authorization in Replication Task RPC

Published

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.3%
exploitation probability
0.3%top 76% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Affected products
kvcache-ai · Mooncake
Related CVEs — kvcache-ai Mooncake

In the same product, most dangerous first.

CVE-2026-106037CRITICALMooncake through 0.3.13.post1 Missing Authentication in Store REST ServiceEPSS 0.7%CVE-2026-103764CRITICALMooncake transfer engine before 0.3.13 Unauthenticated Arbitrary Memory Read/Write via TCP TransportEPSS 0.6%CVE-2026-103765HIGHMooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata ServerEPSS 0.5%CVE-2026-106038HIGHMooncake Store through 0.3.13.post1 Unauthenticated Object Deletion via Remove RPCsEPSS 0.5%CVE-2026-103760HIGHMooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response WriteEPSS 0.4%CVE-2026-106040HIGHMooncake Store through 0.3.13.post1 Missing Authorization via EvictDiskReplica RPCEPSS 0.4%
References
https://github.com/kvcache-ai/Mooncakehttps://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-store/src/master_service.cpp#L12060-L12120https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-store/src/task_manager.cpp#L113-L135https://github.com/kvcache-ai/Mooncake/issues/4475https://www.vulncheck.com/advisories/mooncake-store-through-0.3.13-post1-missing-authorization-in-replication-task-rpc