CVE-2026-108689

5.3 mediumEPSS 0.2%

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.

CVSS 4.0: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)
CWE: CWE-639
Published: 2026-10-11
Modified: 2026-10-18
Record from: the NVD, synced 2026-10-19

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

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