What is CVE-2026-121552?

CVE-2026-121552 is a medium-severity vulnerability in Dromara Domain-Admin, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-11-03.

How severe is CVE-2026-121552?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Dromara Domain-Admin

CVE-2026-121552

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.

Vulnerability class: Broken Access Control

Published 2026-11-03 · last modified 2026-11-03.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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

Dromara Domain-Admin

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/dromara/domain-admin/issues/229 (issue-tracking)
github.com/dromara/domain-admin (product)
github.com/dromara/domain-admin/commit/6245d002c995bf3868f73d77f69138df40f557a3 (patch)
github.com/dromara/domain-admin/blob/v1.6.78/domain_admin/api/group_user_api.py (technical-description)
www.vulncheck.com/advisories/domain-admin-before-1.6.79-missing-authorization-v… (third-party-advisory)

Frequently asked questions

What is CVE-2026-121552?: CVE-2026-121552 is a medium-severity vulnerability in Dromara Domain-Admin, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-11-03.
How severe is CVE-2026-121552?: Medium severity. CVSS v3 base score is 4.3 out of 10.