CVE-2026-106039
Mooncake Store through 0.3.13.post1 Missing Authorization in Replication Task RPC
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 6, 2026
- Updated
- Oct 6, 2026
- Reserved
- Oct 6, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
Mooncakekvcache-ai |
|
References
- GitHub Issue #4475issue-tracking
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-store/src/master_service.cpp#L12060-L12120technical-description
- https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-store/src/task_manager.cpp#L113-L135technical-description
- https://github.com/kvcache-ai/Mooncakeproduct
- VulnCheck Advisory: Mooncake Store through 0.3.13.post1 Missing Authorization in Replication Task RPCthird-party-advisory
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