CVE-2026-53421
CRITICALApache Syncope: Remote Code Execution via Scripted Connector
Title source: cnaDescription
Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements can achieve remote code execution through the connector subsystem by relying on scripted connectors' (REST and SQL) capability to run Groovy scripts. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.6, from 4.1.0-M0 through 4.1.1. Users are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue by hardening the Groovy security sandbox.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
https://lists.apache.org/thread/nmzvz6gb2ldm30wvyk613r8dfrb6r8yx
Scores
CVSS v3
9.8
EPSS
0.0068
EPSS Percentile
48.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-653
Status
published
Products (4)
apache/syncope
3.0.0 - 3.0.16
Apache Software Foundation/Apache Syncope
3.0.0-M0 - 3.0.16
Apache Software Foundation/Apache Syncope
4.0.0-M0 - 4.0.6
Apache Software Foundation/Apache Syncope
4.1.0-M0 - 4.1.1
Published
Jul 20, 2026
Tracked Since
Jul 20, 2026