CVE-2026-78330: Apache Syncope: Privilege escalation for admin user via JWT authentication
Apache Syncope allows privilege escalation for an admin user via misconfigured internal JWT JWKS authentication settings, versions through 4.1.2.
CVE-2026-78330 is a moderate-severity incorrect privilege assignment vulnerability in Apache Syncope's syncope-core-spring module. When the configured JWKS settings for internal JWT authentication are misconfigured, an admin user can escalate privileges. Affected versions are 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.7, and 4.1.0-M0 through 4.1.2.
- Incorrect privilege assignment in JWT authentication path
- Triggered by misconfigured JWKS settings for internal JWT auth
- Affects Syncope 3.0.x through 4.1.2
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-78330 | Admin Privilege Escalation via Forged JWT in Apache Syncope | 9.8 | — |
From the original article
Posted by Francesco Chicchiriccò on Sep 14 Severity: moderate Affected versions: - Apache Syncope (org. apache. syncope.
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