Incorrect Authorization in Apache Syncope Affects Delegated Administration
CVE-2026-73370

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Syncope
Vendor
CVE Published:
14 September 2026

What is CVE-2026-73370?

An incorrect authorization vulnerability has been identified in Apache Syncope. Specifically, the security checks for delegated administration executed by the Reconciliation service's pull and push functions are incomplete, allowing administrators without the necessary entitlements to make unauthorized calls. Users of affected versions are strongly advised to upgrade to versions 4.0.8 or 4.1.3, which address this security flaw.

Affected Version(s)

Apache Syncope 3.0.0-M0 <= 3.0.16

Apache Syncope 4.0.0-M0 <= 4.0.7

Apache Syncope 4.1.0-M0 <= 4.1.2

References

https://lists.apache.org/thread/prv0k3mvorzhngdw405sgb87c...
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

n0mi1k
.