CVE-2026-121552

Description

Dromara domain-admin before 1.6.79 contains a missing authorization vulnerability in the POST /api/getGroupUserList handler that allows authenticated users to read other groups' members. Attackers can enumerate sequential group_id values to disclose member usernames, leader and edit-permission flags, and owner usernames of groups they do not belong to.

References

• https://github.com/dromara/domain-admin
• https://github.com/dromara/domain-admin/blob/v1.6.78/domain_admin/api/group_user_api.py#L127
• https://github.com/dromara/domain-admin/commit/6245d002c995bf3868f73d77f69138df40f557a3
• https://github.com/dromara/domain-admin/issues/229
• https://www.vulncheck.com/advisories/domain-admin-before-1.6.79-missing-authorization-via-getgroupuserlist