Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-103040— LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Router Profiler RPyC Service

Quick assessment

Affected
ModelTC LightLLM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LightLLM 1.2.0 及更早版本中，当使用 标志启动时，路由分析器服务（router profiler service）存在远程代码执行漏洞。该服务暴露了一个未经验证的 RPyC 服务器，并启用了 pickle 反序列化功能。攻击者可通过向分析命令队列发送特制的序列化对象，实现任意代码的执行。

CVSS 9.8 · Critical
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-103040

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Router Profiler RPyC Service
Source: CVE Program / CVE List V5
Vulnerability Description
LightLLM through 1.2.0 contains a remote code execution vulnerability in the router profiler service when started with --enable_profiling flag. The service exposes an unauthenticated RPyC server with pickle deserialization enabled, allowing attackers to execute arbitrary code by sending crafted serialized objects to the profiler command queue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ModelTC LightLLM 0 ~ 1.2.0 -

II. Public POCs for CVE-2026-103040

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-103040

请登录查看更多情报信息。

Other References for CVE-2026-103040 (1)

Other References for CVE-2026-103040 (4)

Same Patch Batch · ModelTC · 2026-09-29 · 3 CVEs total

CVE-2026-103041 9.8 CRITICAL LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Embed Cache RPyC Service
CVE-2026-103042 7.5 HIGH LightLLM through 1.2.0 Unauthenticated Memory Exhaustion via NCCL Control Channel set_valu

IV. Related Vulnerabilities

Same product: LightLLM
Same vendor: ModelTC
Same weakness: CWE-502

V. Comments for CVE-2026-103040

No comments yet

Leave a comment