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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Syncope | unaffected |
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| Vendor | Product | Confidence | Versions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache | Syncope | 95% |
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No vendor fix or workaround currently provided.
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Tracking
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Mon, 14 Sep 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apache
Apache syncope |
|
| Vendors & Products |
Apache
Apache syncope |
Mon, 14 Sep 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Apache Syncope: Privilege escalation for admin user via JWT authentication | |
| Weaknesses | CWE-266 | |
| References |
|
MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-14T12:24:56.656Z
Reserved: 2026-08-24T09:50:26.557Z
Link: CVE-2026-78330
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-14T13:18:47.123
Modified: 2026-09-14T13:18:47.123
Link: CVE-2026-78330
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-14T14:00:04Z
-
CWE-266
Incorrect Privilege Assignment