CVE-2026-108689CWE-639

CVE-2026-108689

Medium · published October 11, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
6.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00171 · 6.2th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-11T06:16Z
References (3)
https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/Wukong-AICRM/poc_chat_send.py · [email protected]https://github.com/WuKongOpenSource/Wukong-AICRM/blob/cdd1fbc3187d2bcbf2cdf2be7d50c988959da356/backend/src/main/java/com/kakarote/ai_crm/service/impl/ChatServiceImpl.java#L270-L283 · [email protected]https://www.vulncheck.com/advisories/wukong-aicrm-through-20260610-authorization-bypass-via-user-controlled-session-id-in-post-chat-send · [email protected]
EPSS history
Timeline
  • 12 OCT 03:26Z
    EPSS moved — → 0%
    epss
  • 11 OCT 01:12Z
    Wukong AICRM through 20260610 Authorization Bypass via User-Controlled Session ID in POST /chat/send
    cvelistv5
  • 11 OCT 01:12Z
    Wukong AICRM through 20260610 Authorization Bypass via User-Controlled Session ID in POST /chat/send
    cvelistv5