# CVE-2026-106037: Mooncake missing authentication in Store REST service

Source: https://junglewise.ai/threats/cve-2026-106037-mooncake-through-0-3-13-post1-contains-a-missing-authentication  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-106037 · Severity: critical · CVSS 9.8 · Published 2026-10-06

Mooncake is a serving platform for large language model services that uses cached key-value data to accelerate inference. The Store REST service binds to all network interfaces without authentication, allowing unauthenticated attackers to read, modify, or delete cached data remotely, potentially compromising model inference and exposing sensitive cached information.

Vendors: [Moonshot AI](https://junglewise.ai/threats/vendors/moonshot-ai).

## Quick answers

**Is CVE-2026-106037 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-106037 being exploited in the wild.

**How severe is CVE-2026-106037?** Critical severity, with a CVSS score of 9.8, published 6 October 2026.

**Which products and versions are affected?** Moonshot AI Mooncake through 0.3.13.post1.

**Is there a fix for CVE-2026-106037?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-106037 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-106037?** Check whether you run Moonshot AI Mooncake at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The Store REST service in Mooncake through 0.3.13.post1 binds to 0.0.0.0 without authentication on all routes, including /api/get, /api/put, /api/remove_all, and /api/mount. An unauthenticated attacker with network access can call these routes to read cached key-value data, inject malicious objects, delete objects, and mount attacker-controlled segments. The vulnerability requires network access but no user interaction or authentication.

## Affected products

- Moonshot AI Mooncake through 0.3.13.post1

## Timeline

- 2026-10-06: disclosed

## References

- [https://github.com/kvcache-ai/Mooncake](https://github.com/kvcache-ai/Mooncake)
- [https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/mooncake_store_service.py](https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/mooncake_store_service.py)