CVE-2026-103041
LightLLM through 1.2.0 multimodal deployments expose an unauthenticated RPyC cache service with…
- Risk score
- 74/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 0.6%
- Published
- 29 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 9.8 critical
- Remotely exploitable without logging in
References
- https://github.com/ModelTC/LightLLM
- https://github.com/ModelTC/LightLLM/issues/1596
- https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/embed_cache/manager.py#L29-L31
- https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/embed_cache/manager.py#L66
- https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-embed-cache-rpyc-service
- https://github.com/ModelTC/LightLLM/issues/1596
Original 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.
Last activity 29 Sep 2026. Patch Forecast updates every hour.