CVE-2026-107205

LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess coordinator that allows remote unauthenticated attackers to access its HTTP fleet control API listening on all interfaces by default. Attackers can register or deregister instances via /instances, overwrite quotas via /quota endpoints, inject events via /events, and enumerate /directory/keys to disrupt caching and disclose placement metadata.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/LMCache/LMCache
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/mp_coordinator/app.py#L238-L246
https://github.com/LMCache/LMCache/blob/v0.5.5/lmcache/v1/mp_coordinator/config.py#L71
https://github.com/LMCache/LMCache/issues/5508
https://www.vulncheck.com/advisories/lmcache-through-0.5.5-missing-authentication-in-mp-coordinator-fleet-control-api

Configurations

No configuration.

History

07 Oct 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-07 16:17

Updated : 2026-10-08 21:07

NVD link : CVE-2026-107205

Mitre link : CVE-2026-107205

CVE.ORG link : CVE-2026-107205

JSON object : View

Products Affected

No product.

CWE

CWE-306

Missing Authentication for Critical Function

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