CVE-2026-103041
LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Embed Cache RPyC Service
ModelTC LightLLM
CVSS
9.3CriticalExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 30 Sep 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.62%Chance of exploitation activity in the next 30 days, higher than 49% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
LightLLM through 1.2.0 multimodal deployments expose an unauthenticated RPyC cache service with pickle deserialization enabled on all interfaces. Attackers can send crafted serialized objects to exposed cache methods to execute arbitrary code with service privileges.
Text from CVE List
Affected versions 1
- LightLLMaffected: all versions through 1.2.0CVE List
References 5
- vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-embed-cache-rpyc-serviceAdvisoryvia CVE List
- github.com/ModelTC/LightLLM/issues/1596Exploitvia CVE List
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/embed_cache/manager.py#L29-L31Referencevia CVE List
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/embed_cache/manager.py#L66Referencevia CVE List
- github.com/ModelTC/LightLLMReferencevia CVE List