CVE-2026-125386 langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-125386?
CVE-2026-125386 is a medium-severity vulnerability in moyangzhan langchain4j-aideepin, published on 9 Nov 2026.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-125386?
How do I fix CVE-2026-125386?
No fix has been published for CVE-2026-125386 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-125386 being exploited?
There is no known exploitation of CVE-2026-125386 in the wild and no public exploit code.
Sources
Also known as GHSA-58f4-85vm-hv79.