Auth bypass in Kvcache-Ai Mooncake
CVE-2026-106038
Mooncake Store master through 0.3.13.post1 contains a missing authentication vulnerability that allows unauthenticated attackers to force-delete any object via Remove, RemoveByRegex, RemoveAll and BatchRemove on the coro_rpc port. Attackers can send forged requests with the force flag set to bypass lease checks, wipe keys matching any regex, or clear the entire store, causing cache loss and request failures.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/kvcache-ai/Mooncake (product)
- github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mo… (technical-description)
- github.com/kvcache-ai/Mooncake/issues/4474 (issue-tracking)
- www.vulncheck.com/advisories/mooncake-store-through-0.3.13-post1-unauthenticate… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-106038?
- CVE-2026-106038 is a high-severity vulnerability in Kvcache-Ai Mooncake, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2026-10-06.
- How severe is CVE-2026-106038?
- High severity. CVSS v3 base score is 8.2 out of 10.