CVE-2026-107206 LMCache through 0.5.5 Missing Authentication in MP HTTP Server Management API

High 8.8 Published Updated

Remote attackers can access unauthenticated management endpoints to read credentials, modify configurations, and evict cached data in LMCache.

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-2026-107206?

CVE-2026-107206 is a high-severity missing authorization vulnerability in LMCache, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess mode HTTP server that allows remote unauthenticated attackers to access management endpoints listening on all interfaces by default. Attackers can read environment credentials via GET /env and configuration via GET /config, clear caches, delete cache objects, and modify tenant quotas to evict other tenants' cached data.

Weakness: CWE-306

Which versions are affected by CVE-2026-107206?

How do I fix CVE-2026-107206?

No fix has been published for CVE-2026-107206 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-2026-107206 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-107206 exists.

Sources

Also known as GHSA-3m4j-8j42-jwr9.

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