GHSA-j5gc-wvrm-78hcMediumCVSS 5.3
langchain4j-aideepin before 3.31.0 contains an insecure direct object reference vulnerability...
🔗 CVE IDs covered (1)
📋 Description
langchain4j-aideepin before 3.31.0 contains an insecure direct object reference vulnerability that allows authenticated users to read other users' character-chat conversations by supplying their character uuid. Attackers can request GET /character/{uuid}, which CharacterService.detail resolves without an ownership check, to obtain victims' questions, AI answers, and attachment and audio URLs.
🔗 References (9)
- https://nvd.nist.gov/vuln/detail/CVE-2026-121938
- https://github.com/moyangzhan/langchain4j-aideepin/issues/116
- https://github.com/moyangzhan/langchain4j-aideepin/pull/117
- https://github.com/moyangzhan/langchain4j-aideepin/commit/9b2fee6b66836a0efd5599cfcddd05b80b05ca93
- https://github.com/moyangzhan/langchain4j-aideepin/blob/v3.30.0/server/adi-common/src/main/java/com/moyz/adi/common/service/CharacterService.java#L105-L125
- https://hackmd.io/@hieuPenguinnn/langchain4j-aideepin-character-conversation-cross-user-idor
- https://www.vulncheck.com/advisories/langchain4j-aideepin-before-3.31.0-idor-via-get-character-uuid
- https://hackmd.io/@hieuPenguinnn/cve-2026-121938-langchain4j-aideepin-character-conversation-cross-user-idor
- https://github.com/advisories/GHSA-j5gc-wvrm-78hc