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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-125386— langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints

Quick assessment

Affected
moyangzhan langchain4j-aideepin
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.

langchain4j-aideepin 3.32.0 及以下版本在 CharacterMessageController 中存在不安全的直接对象引用漏洞。由于缺少所有者验证，已认证用户可以访问其他用户的消息引用。攻击者可将其他用户的消息 UUID 提交至 knowledge-embedding-ref、memory-embedding-ref 或 graph-ref 端点，从而获取知识库片段、长期记忆文本以及知识图谱数据。

CVSS 5.3 · Medium

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-2026-125386

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
langchain4j-aideepin through 3.32.0 contains an insecure direct object reference vulnerability in CharacterMessageController that allows authenticated users to access other users' message references due to missing owner checks. Attackers can supply another user's message uuid to the knowledge-embedding-ref, memory-embedding-ref, or graph-ref endpoints to retrieve knowledge-base chunks, long-term memory text, and knowledge-graph data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
moyangzhan langchain4j-aideepin 0 ~ 3.32.0 -

II. Public POCs for CVE-2026-125386

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-125386

请登录查看更多情报信息。

Other References for CVE-2026-125386 (5)

IV. Related Vulnerabilities

Same product: langchain4j-aideepin
Same vendor: moyangzhan
Same weakness: CWE-639