CVE-2026-107204 LMCache - Remote Code Execution

LMCache <= 0.5.5 contains a remote code execution caused by unauthenticated script posting to /run_script endpoint, letting remote attackers execute arbitrary Python code, exploit requires no authentication.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.77% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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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