CVE-2026-119048: low-severity vulnerability in thinkgem JeeSite
JeeSite 5.11.0 through 5.19.1 IDOR in AI CMS Chat Module
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2.3epss 0.3%
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:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
thinkgem · JeeSiteRelated CVEs — thinkgem JeeSite
In the same product, most dangerous first.
CVE-2026-3405LOWthinkgem JeeSite Connection path traversalEPSS 0.7%CVE-2025-5186MEDIUMthinkgem JeeSite URI Scheme form ResourceLoader.getResource server-side request forgeryEPSS 0.5%CVE-2025-7763MEDIUMthinkgem JeeSite Site Controller SiteController.java select redirectEPSS 0.5%CVE-2024-8112MEDIUMthinkgem JeeSite Cookie login cross site scriptingEPSS 0.5%CVE-2025-7785MEDIUMthinkgem JeeSite SsoController.java sso redirectEPSS 0.5%CVE-2025-7863MEDIUMthinkgem JeeSite ServletUtils.java redirectUrlEPSS 0.4%
References
https://github.com/thinkgem/jeesite5https://github.com/thinkgem/jeesite5/blob/5b5e2cf0adc45a1abe33d0f4ca149590d149b82d/modules/ai/ai-cms/src/main/java/com/jeesite/modules/ai/cms/service/AiCmsChatService.java#L111-L116https://github.com/thinkgem/jeesite5/blob/5b5e2cf0adc45a1abe33d0f4ca149590d149b82d/modules/ai/ai-cms/src/main/java/com/jeesite/modules/ai/cms/service/CacheChatMemoryRepository.java#L59-L62https://github.com/thinkgem/jeesite5/commit/cbc5ba7a37fd93f38c46ef656bd31442fe6f8015https://github.com/thinkgem/jeesite5/issues/43https://hackmd.io/@hieund/jeesite5-ai-cms-chat-conversation-idorhttps://www.vulncheck.com/advisories/jeesite-5.11.0-through-5.19.1-idor-in-ai-cms-chat-module