CVE-2026-106040 Mooncake Store through 0.3.13.post1 Missing Authorization via EvictDiskReplica RPC
Unauthenticated attackers can delete disk replicas of any object via RPC, causing data loss or service disruption in Mooncake Store.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-106040?
CVE-2026-106040 is a high-severity missing authorization vulnerability in kvcache-ai Mooncake, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-106040?
How do I fix CVE-2026-106040?
No fix has been published for CVE-2026-106040 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-106040 being exploited?
There is no known exploitation of CVE-2026-106040 in the wild and no public exploit code.
Sources
Also known as GHSA-mx67-78cv-m3mg.