Riskcovery

CVE-2026-78336

Apache Syncope: OIDCC4UI provider list discloses client secrets to any authenticated user

State
Published
Severity
7.5 High
Published
Sep 14, 2026
Updated
Sep 14, 2026
Reserved
Aug 24, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCISA-ADP

Weaknesses

  • CWE-201 Insertion of sensitive information into sent data

Affected Products

ProductVersions
Apache SyncopeApache Software Foundation
  • 3.0.0-M0 through 3.0.16Affected
  • 4.0.0-M0 through 4.0.7Affected
  • 4.1.0-M0 through 4.1.2Affected

References

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