CVE-2026-103041 LightLLM - Insecure Deserialization

LightLLM through 1.2.0 multimodal deployments contain an insecure deserialization caused by unauthenticated RPyC cache service with pickle deserialization enabled, letting attackers execute arbitrary code with service privileges, exploit requires exposed cache service.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.62% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
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 beyond 1.2.0 or apply patches disabling unauthenticated pickle deserialization.

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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