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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-103270— LightLLM through 1.2.0 Missing Authentication on RL Control Routes

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 及更早版本在公共 HTTP API 上挂载了强化学习控制路由，但未进行身份验证检查。未经身份验证的攻击者可以调用诸如 、 、 和 等端点，从而干扰推理操作，并导致以 参数启动的部署中的工作进程陷入停滞状态。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-103270

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Missing Authentication on RL Control Routes
Source: CVE Program / CVE List V5
Vulnerability Description
LightLLM through 1.2.0 mounts reinforcement learning control routes on the public HTTP API without authentication checks. Unauthenticated attackers can call endpoints like /pause_generation, /abort_request, /flush_cache, and /init_weights_update_group to disrupt inference operations and wedge workers on deployments started with --enable_rl.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
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-2026-103270

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-103270

请登录查看更多情报信息。

Other References for CVE-2026-103270 (1)

Other References for CVE-2026-103270 (4)

Same Patch Batch · ModelTC · 2026-09-30 · 3 CVEs total

CVE-2026-103395 9.8 CRITICAL LightLLM through 1.2.0 Unauthenticated Remote Code Execution via Visual-Only RPyC Service
CVE-2026-103243 5.8 MEDIUM LightLLM through 1.2.0 Server-Side Request Forgery via multimodal endpoints

IV. Related Vulnerabilities

Same product: LightLLM
Same vendor: ModelTC
Same weakness: CWE-306

V. Comments for CVE-2026-103270

No comments yet

Leave a comment