CVE-2026-107205 LMCache - Authentication Bypass

LMCache through 0.5.5 contains a missing authentication vulnerability in the multiprocess coordinator's HTTP fleet control API, letting remote unauthenticated attackers access and manipulate instances, quotas, events, and directory keys, exploit requires default API exposure on all interfaces.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version beyond 0.5.5.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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