CVE-2026-103041 Details
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.
A remote code execution vulnerability has been identified in LightLLM versions through 1.2.0. This issue arises in multimodal deployments, where an unauthenticated RPyC cache service is exposed on all interfaces with pickle deserialization enabled. Attackers can exploit this vulnerability by sending crafted serialized objects to the exposed cache methods, leading to arbitrary code execution with the privileges of the LightLLM service account.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 29, 2026CISA-ADP
Assessed Sep 30, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/ModelTC/LightLLM/issues/1596 | CISA-ADP | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/ModelTC/LightLLM | [email protected] | Vendor |
| https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/embed_cache/manager.py#L29-L31 | [email protected] | Source CodeVendor |
| https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/embed_cache/manager.py#L66 | [email protected] | Source CodeVendor |
| https://github.com/ModelTC/LightLLM/issues/1596 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-embed-cache-rpyc-service | [email protected] | Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| ModelTC LightLLM | <= 1.2.0 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 30, 2026 | CVE Modified | CISA-ADP |
| Sep 29, 2026 | New CVE Received | [email protected] |