High [CVE-2026-78336] Insertion of sensitive information into sent data vulnerability in Apache Syncope
This high-severity Apache Software Foundation advisory covers CVE-2026-78336 affecting Apache Syncope.
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Summary
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.
- 3.0.0-M0 through 3.0.16
- 4.0.0-M0 through 4.0.7
- 4.1.0-M0 through 4.1.2.
- through 4.1.2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 4.0.8
- 4.1.3
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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- CVE-2026-73191Sep 14, 2026URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache Syncope
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