CVE-2026-73370: critical vulnerability in Apache Syncope
Apache Syncope: Cross-Realm boundaries reconciliation bypass
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.5%
Incorrect Authorization vulnerability in Apache Syncope.
Delegated administration security checks performed by Reconciliation service's pull and push, being incomplete, could accept calls by administrator not provided with adequate 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Apache Software Foundation · Apache SyncopeRelated CVEs — Apache Syncope
In the same product, most dangerous first.
CVE-2025-57738HIGHApache Syncope: Remote Code Execution by delegated administratorsEPSS 24.2%CVE-2018-1322—CVE-2018-1322EPSS 19.9%CVE-2018-1321—CVE-2018-1321EPSS 17.5%CVE-2018-17186—CVE-2018-17186EPSS 2.5%CVE-2026-23795MEDIUMApache Syncope: Console XXE on Keymaster parametersEPSS 2.0%CVE-2018-17184—CVE-2018-17184EPSS 1.2%