Vulnerability Description
JeeSite 5.11.0 through 5.19.1 contains an insecure direct object reference vulnerability in the AI CMS chat module that allows authenticated users to access other users' conversations due to missing and reversed ownership checks. Attackers who know or derive a victim's conversation id can call /a/cms/chat/message, /a/cms/chat/delete, or /a/cms/chat/completions to read, delete, or append to the victim's AI chat transcripts.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/thinkgem/jeesite5
- https://github.com/thinkgem/jeesite5/blob/5b5e2cf0adc45a1abe33d0f4ca149590d149b8
- https://github.com/thinkgem/jeesite5/blob/5b5e2cf0adc45a1abe33d0f4ca149590d149b8
- https://github.com/thinkgem/jeesite5/commit/cbc5ba7a37fd93f38c46ef656bd31442fe6f
- https://github.com/thinkgem/jeesite5/issues/43
- https://hackmd.io/@hieund/jeesite5-ai-cms-chat-conversation-idor
- https://www.vulncheck.com/advisories/jeesite-5.11.0-through-5.19.1-idor-in-ai-cm
FAQ
What is CVE-2026-119048?
CVE-2026-119048 is a vulnerability with a CVSS score of 4.2 (MEDIUM). JeeSite 5.11.0 through 5.19.1 contains an insecure direct object reference vulnerability in the AI CMS chat module that allows authenticated users to access other users' conversations due to missing a...
How severe is CVE-2026-119048?
CVE-2026-119048 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119048?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.