CVE-2026-96764 kvcache-ai mooncake Regular Expression GetReplicaListByRegex allocation of resources
Remote attackers can cause resource exhaustion and denial of service in the mooncake library via the GetReplicaListByRegex function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96764?
CVE-2026-96764 is a medium-severity denial of service vulnerability in kvcache-ai mooncake, published on 24 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in kvcache-ai mooncake up to 0.3.12/0.3.14-rc1. Impacted is the function MasterService::GetReplicaListByRegex of the component Regular Expression Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-96764?
How do I fix CVE-2026-96764?
No fix has been published for CVE-2026-96764 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-96764 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-96764 exists.
Sources
Also known as GHSA-gqr3-xc87-48w2.