Auth bypass in Colinin Abp-Next-Admin
CVE-2026-111630
abp-next-admin 10.2.0 through 10.6.0 contains an insecure direct object reference vulnerability in the LINGYUN.Abp.AIManagement module that allows authenticated users to access other users' AI chat conversations by supplying their ConversationId. Attackers holding the Chat permission can call ChatAppService.GetListAsync or SendMessageAsync with a victim's ConversationId GUID to read chat messages and inject messages into that conversation.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
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
Weakness classification (CWE)
References
- hackmd.io/@hieuPenguinnn/abp-next-admin-aimanagement-chat-idor (third-party-advisory)
- github.com/colinin/abp-next-admin/blob/10.6.0/aspnet-core/modules/ai/LINGYUN.Ab… (technical-description)
- github.com/colinin/abp-next-admin/blob/10.6.0/aspnet-core/modules/ai/LINGYUN.Ab… (technical-description)
- www.vulncheck.com/advisories/abp-next-admin-10.2.0-through-10.6.0-idor-in-aiman… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111630?
- CVE-2026-111630 is a medium-severity vulnerability in Colinin Abp-Next-Admin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-10-16.
- How severe is CVE-2026-111630?
- Medium severity. CVSS v3 base score is 5.4 out of 10.