CVEvulnerability
CVE-2026-78330
9.8 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-09-14
- Last modified
- 2026-09-14
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-266
Description
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.
Related
Weakness · CWE (1)
- CWE-266 Incorrect Privilege Assignment weakness
References
- https://lists.apache.org/thread/vkqmmpwcdson285vtmzpbj9psw35hyo9 lists.apache.org
- http://www.openwall.com/lists/oss-security/2026/09/14/19 www.openwall.com