CVE-2026-78336Apache Syncope: OIDCC4UI provider list discloses client secrets to any authenticated user
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Syncope. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-201
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Deferred
- Record last updated
- Sep 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Syncope apache_software_foundation:apache_syncope (from the name) | 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 | CNA record |
References
- https://lists.apache.org/thread/h399sqmf4wgnfxxpd6x9lm3m672rrsjtvendor-advisory
- http://www.openwall.com/lists/oss-security/2026/09/14/20
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.