CVE-2026-125386

langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints

Published Nov 9, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Moyangzhan
Moyangzhan langchain4j-aideepin
Vendors & Products Moyangzhan
Moyangzhan langchain4j-aideepin
Type Values Removed Values Added
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.
Title langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 13, 2026, 2:21 PM
Reserved
Nov 9, 2026, 10:03 PM
Status
Deferred
Published
Nov 10, 2026, 12:17 AM
Modified
Nov 13, 2026, 3:17 PM