---
title: "CVE-2026-103395: LightLLM - Remote Code Execution"
description: "LightLLM through 1.2.0 visual_only deployments contains an insecure deserialization caused by unauthenticated RPyC service with allow_pickle enabled in remote_infer_images method, letting attackers execute arbitrary code with service account privileges, exploit requires access to visual RPyC port."
url: https://panop.io/threat-heartbeat/CVE-2026-103395/
---

# CVE-2026-103395 LightLLM - Remote Code Execution

LightLLM through 1.2.0 visual\_only deployments contains an insecure deserialization caused by unauthenticated RPyC service with allow\_pickle enabled in remote\_infer\_images method, letting attackers execute arbitrary code with service account privileges, exploit requires access to visual RPyC port.

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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-103395)

## 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

30 September 2026

Updated

15 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to the latest version that disables allow\_pickle or secures the RPyC service.

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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-103395](https://nvd.nist.gov/vuln/detail/CVE-2026-103395)
- [https://github.com/ModelTC/LightLLM](https://github.com/ModelTC/LightLLM)
- [https://github.com/ModelTC/LightLLM/issues/1610](https://github.com/ModelTC/LightLLM/issues/1610)
- [https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/visualserver/objs.py#L6-L11](https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/visualserver/objs.py#L6-L11)
- [https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/visualserver/visual\_only\_manager.py#L138-L140](https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/visualserver/visual_only_manager.py#L138-L140)
- [https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-visual-only-rpyc-service](https://www.vulncheck.com/advisories/lightllm-through-1.2.0-unauthenticated-remote-code-execution-via-visual-only-rpyc-service)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)