What is CVE-2026-108689?

CVE-2026-108689 is a medium-severity vulnerability in Wukongopensource Wukong Aicrm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-10-11.

How severe is CVE-2026-108689?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Wukongopensource Wukong Aicrm

CVE-2026-108689

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-11.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Wukongopensource Wukong Aicrm

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b… (exploit)
github.com/WuKongOpenSource/Wukong-AICRM/blob/cdd1fbc3187d2bcbf2cdf2be7d50c9889… (technical-description)
www.vulncheck.com/advisories/wukong-aicrm-through-20260610-authorization-bypass… (third-party-advisory)

Frequently asked questions

What is CVE-2026-108689?: CVE-2026-108689 is a medium-severity vulnerability in Wukongopensource Wukong Aicrm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-10-11.
How severe is CVE-2026-108689?: Medium severity. CVSS v3 base score is 5.4 out of 10.