PT-2026-136958

CVE-2026-121938

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Published

2026-11-04

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Updated

2026-11-04

Description by

CVSS 3.1
5.3
Medium
MetricsAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
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