CVE-2026-78330
Apache Syncope: Privilege escalation for admin user via JWT authentication
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Incorrect privilege assignment vulnerability in Apache Syncope. When the configured JWKS settings for internal JWT authentication are disclosed (at least protocol and key), an attacker can obtain admin privileges after completing a successful authentication and obtaining a valid low-privileges JWT. 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.
| CWE | CWE-266 |
| Vendor | apache software foundation |
| Product | apache syncope |
| Published | Sep 14, 2026 |
| Last Updated | Sep 14, 2026 |
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Affected Versions
Apache Software Foundation / Apache Syncope
3.0.0-M0 ≤ 3.0.16 4.0.0-M0 ≤ 4.0.7 4.1.0-M0 ≤ 4.1.2
References
Credits
Moritz Theile