CVE-2026-103040 LightLLM - Remote Code Execution

LightLLM through 1.2.0 contains a remote code execution caused by unauthenticated RPyC server with pickle deserialization in the router profiler service, letting attackers execute arbitrary code remotely, exploit requires --enable_profiling flag enabled.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.78% 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
29 September 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version where this issue is fixed.

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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