CVE-2026-108689

Description

Wukong AICRM through 20260610 contains a missing authorization vulnerability that allows authenticated users to write into other users' AI chat sessions by supplying an arbitrary sessionId to POST /chat/send. Attackers can append messages to a victim's conversation and receive streamed assistant replies built from the victim's last 20 messages, disclosing conversation content.

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/Wukong-AICRM/poc_chat_send.py
• https://github.com/WuKongOpenSource/Wukong-AICRM/blob/cdd1fbc3187d2bcbf2cdf2be7d50c988959da356/backend/src/main/java/com/kakarote/ai_crm/service/impl/ChatServiceImpl.java#L270-L283
• https://www.vulncheck.com/advisories/wukong-aicrm-through-20260610-authorization-bypass-via-user-controlled-session-id-in-post-chat-send