CVE-2026-121552

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CVE-2026-121552

Summary: domain-admin before 1.6.79 Missing Authorization via getGroupUserList

Details: 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/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121552.json, https://nvd.nist.gov/vuln/detail/CVE-2026-121552, https://www.vulncheck.com/advisories/domain-admin-before-1.6.79-missing-authorization-via-getgroupuserlist, https://github.com/dromara/domain-admin/issues/229, https://github.com/dromara/domain-admin/commit/6245d002c995bf3868f73d77f69138df40f557a3, https://github.com/dromara/domain-admin, https://github.com/dromara/domain-admin/blob/v1.6.78/domain_admin/api/group_user_api.py#L127