Vulnerability · Published Oct 6, 2026 · Assigned by VulnCheck

CVE-2026-106037Mooncake through 0.3.13.post1 Missing Authentication in Store REST Service

Critical 9.8

In plain English

A critical-severity missing authentication in Mooncake from kvcache-ai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.7%top 46.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Mooncake through 0.3.13.post1 contains a missing authentication vulnerability in the Store REST service, which binds to 0.0.0.0 without authentication on any route. Unauthenticated attackers can call routes such as /api/get, /api/put, /api/remove_all and /api/mount to read cached KV data with user prompts, inject or delete objects, and mount attacker-described segments.

Affected products (as reported)

Vendor	Product	Versions
kvcache-ai	Mooncake	0 – through 0.3.13.post1

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

GitHub Issue #4476 issue-tracking
https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/mooncake_store_service.py#L240-L282 technical-description
https://github.com/kvcache-ai/Mooncake product
VulnCheck Advisory: Mooncake through 0.3.13.post1 Missing Authentication in Store REST Service third-party-advisory