High severity7.5NVD Advisory· Published Sep 14, 2026· Updated Sep 14, 2026
CVE-2026-78336
CVE-2026-78336
Description
Insertion of sensitive information into sent data vulnerability in Apache Syncope.
Any authenticated user can query for the list of available OIDC providers configured for SSO with Console and Enduser. The returned payload contains all configuration settings, including client secrets, regardless of the entitlements owned by the caller.
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.
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Affected products
1Patches
Vulnerability mechanics
References
2News mentions
1- Apache Syncope: 22 Critical Vulnerabilities Disclosed in Single Batch, Exploiting Auth and Input ValidationVypr Intelligence · Sep 14, 2026