Improper isolation or compartmentalization in Apache Syncope - CVE-2026-42782
Published: August 25, 2026
Vulnerability identifier: #VU145289
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42782
CWE-ID: CWE-653
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to improper isolation or compartmentalization in the Groovy implementation execution path when processing administrator-supplied Groovy classes with static initializers. A remote user can create a malicious Groovy class to execute arbitrary code.
Exploitation requires administrator entitlements for Implementations.
Affected software
Apache Syncope
How to mitigate CVE-2026-42782
Install security update from vendor's website.
Apache Syncope - update to 4.0.6