CVE-2026-119048 (GCVE-0-2026-119048)

Vulnerability from cvelistv5 – Published: 2026-10-29 13:08 – Updated: 2026-10-29 17:20
VLAI
Title
JeeSite 5.11.0 through 5.19.1 IDOR in AI CMS Chat Module
Summary
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.
Severity
2.3 (Low)
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
4.2 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 15:30 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 7195 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
thinkgem JeeSite Affected: 5.11.0 , ≤ 5.19.1 (custom)
    cpe:2.3:a:jeesite:jeesite:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-29 00:00
Credits
hieuPenguinnn ThinkGem
Show details on NVD website
To clipboard 

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.