An administrator with adequate entitlements can get access via REST to the list of existing Access Tokens, including their signed JWT body.
These values can be then used to perform further REST requests, impersonating users with higher administration entitlements.
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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No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Mon, 14 Sep 2026 13:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Syncope. An administrator with adequate entitlements can get access via REST to the list of existing Access Tokens, including their signed JWT body. These values can be then used to perform further REST requests, impersonating users with higher administration entitlements. 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: JWT Access Token takeover | |
| Weaknesses | CWE-200 | |
| References |
|
Subscriptions
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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-14T13:06:19.901Z
Reserved: 2026-08-11T10:15:37.051Z
Link: CVE-2026-73178
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-14T13:18:45.067
Modified: 2026-09-14T13:18:45.067
Link: CVE-2026-73178
Redhat
No data.
OpenCVE Enrichment
No data.
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CWE-200
Exposure of Sensitive Information to an Unauthorized Actor