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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-54771— Langroid: handle_message() executes user-supplied tool JSON without sender verification

Quick assessment

Affected
langroid langroid
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Langroid是Langroid组织开源的一个利用多代理编程开发LLM的工具。 Langroid 0.65.3之前版本存在输入验证错误漏洞，该漏洞源于Langroid应用程序暴露的聊天界面可能允许未受信任的用户通过原始JSON有效载荷直接调用工具，即使工具注册时设置了use=False, handle=True。

CVSS 8.1 · High EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
langroid langroid < 0.65.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-54771

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Langroid: handle_message() executes user-supplied tool JSON without sender verification
Source: CVE Program / CVE List V5
Vulnerability Description
Langroid is a framework for building large-language-model-powered applications. Prior to version 0.65.3, a Langroid application exposing a chat interface to untrusted users may allow direct tool invocation via raw JSON payloads, even when tools are registered with `use=False, handle=True`. Version 0.65.3 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
特殊命令到另一不同平面时的净化处理不恰当(特殊命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Langroid 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Langroid是Langroid组织开源的一个利用多代理编程开发LLM的工具。 Langroid 0.65.3之前版本存在输入验证错误漏洞，该漏洞源于Langroid应用程序暴露的聊天界面可能允许未受信任的用户通过原始JSON有效载荷直接调用工具，即使工具注册时设置了use=False, handle=True。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
langroid langroid < 0.65.3 -

II. Public POCs for CVE-2026-54771

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7777 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-54771

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-54771 (1)

Same Patch Batch · langroid · 2026-07-09 · 6 CVEs total

CVE-2026-54769 10.0 CRITICAL Langroid: Sandbox Escape to Remote Code Execution via Incomplete `eval()` Mitigation in Ta
CVE-2026-50181 7.1 HIGH Langroid: Path traversal in the file tools allows read/write outside configured current di
CVE-2026-55615 Langroid: Neo4jChatAgent executes LLM-generated Cypher without validation (prompt-to-Cyphe
CVE-2026-54760 Langroid: SQLChatAgent dangerous-function blocklist can be bypassed with quoted or schema-
CVE-2026-50180 Langroid: SQLChatAgent _validate_query blocklist misses pg_read_file family enabling arbit

IV. Related Vulnerabilities

Same product: langroid
Same vendor: langroid
Same weakness: CWE-75

V. Comments for CVE-2026-54771

No comments yet

Leave a comment