CVE-2026-125386
langchain4j-aideepin through 3.32.0 IDOR via /character/message reference endpoints
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | moyangzhan |
| Product | langchain4j-aideepin |
| Published | Nov 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
moyangzhan / langchain4j-aideepin
0 ≤ 3.32.0
References
github.com: https://github.com/moyangzhan/langchain4j-aideepin/issues/118 github.com: https://github.com/moyangzhan/langchain4j-aideepin github.com: https://github.com/moyangzhan/langchain4j-aideepin/blob/v3.32.0/server/adi-common/src/main/resources/mapper/CharacterMessageRefMemoryEmbeddingMapper.xml#L4-L10 github.com: https://github.com/moyangzhan/langchain4j-aideepin/commit/483499b1a6b4a27d856f85d88c28ae6152660953 vulncheck.com: https://www.vulncheck.com/advisories/langchain4j-aideepin-through-3.32.0-idor-via-character-message-reference-endpoints
Credits
hieuPenguinnn