CVE-2026-119048 JeeSite 5.11.0 through 5.19.1 IDOR in AI CMS Chat Module

Low 2.3 Published 29 Oct 2026 Updated 29 Oct 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-119048?

CVE-2026-119048 is a low-severity vulnerability in thinkgem JeeSite, published on 29 Oct 2026.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-119048?

How do I fix CVE-2026-119048?

No fix has been published for CVE-2026-119048 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-119048 being exploited?

There is no known exploitation of CVE-2026-119048 in the wild and no public exploit code.

Sources

Also known as GHSA-p9w4-jq2c-hfxp.