CVE-2026-111630: abp-next-admin 10.2.0 through 10.6.0 IDOR in AIManagement Chat Conversations

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-16 · updated 2026-10-19
Weakness: CWE-639

Description

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.

Affected products

colinin abp-next-admin: from 10.2.0 through 10.6.0

References

https://github.com/colinin/abp-next-admin/blob/10.6.0/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Application/LINGYUN/Abp/AIManagement/Chats/ChatAppService.cs#L27-L52
https://github.com/colinin/abp-next-admin/blob/10.6.0/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Chats/ConversationStore.cs#L49-L66
https://hackmd.io/@hieuPenguinnn/abp-next-admin-aimanagement-chat-idor
https://www.vulncheck.com/advisories/abp-next-admin-10.2.0-through-10.6.0-idor-in-aimanagement-chat-conversations
https://hackmd.io/@hieuPenguinnn/abp-next-admin-aimanagement-chat-idor

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