Auth bypass in Apache Software Foundation Syncope

CVE-2026-75030

Missing Authorization vulnerability in Apache Syncope. An administrator with task execution entitlements might be able to mass (de)provision group members, regardless of their group-related administration capabilities. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-75030?
CVE-2026-75030 is a critical-severity vulnerability in Apache Software Foundation Syncope, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-09-14.
How severe is CVE-2026-75030?
Critical severity. CVSS v3 base score is 9.8 out of 10.