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High severity · published Oct 6, 2026
CVE-2026-106040
Mooncake Store through 0.3.13.post1 Missing Authorization via EvictDiskReplica RPC
8.2
CVSS
0.4%
EPSS
No
On KEV
Description
Mooncake Store master through 0.3.13.post1 contains a missing authorization vulnerability that allows unauthenticated attackers to erase any object's disk replica via EvictDiskReplica and BatchEvictDiskReplica. Attackers reaching the coro_rpc master port can evict DISK replicas across all tenants, deleting objects whose only remaining replica is on disk.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Mooncake · kvcache-ai
through 0.3.13.post1 · source: vendor
Affected product
MO
Mooncake
kvcache-ai
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-106040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-106040
issue-tracking
https://github.com/kvcache-ai/Mooncake/issues/4478
technical-description
https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-store/src/master_service.cpp#L5507-L5515
product
https://github.com/kvcache-ai/Mooncake
third-party-advisory
https://www.vulncheck.com/advisories/mooncake-store-through-0.3.13-post1-missing-authorization-via-evictdiskreplica-rpc
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