CVE-2026-125386

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-11-09 22:03 UTC ReservedThe CVE id was reserved by its CNA
2. 2026-11-10 00:17 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-11-10 00:17 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: not scored yet.
• Severity: 6.0 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2026-11-10 00:17 UTC

Last modified

2026-11-10 00:17 UTC

Weakness

CWE-639 · Insecure direct object reference

Record status

Received

Attack profile CVSS 4.0 · 6.0

Attack vector

Network

Complexity

High

Attack requirements

Present

Privileges needed

Low

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-125386.md and follow it. Check whether this project is affected by CVE-2026-125386. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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