CVE-2026-63071

Apache Syncope: RCE via Groovy Sandbox bypass

Published Jul 20, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Improper Isolation or Compartmentalization vulnerability in Apache Syncope.

An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code bypassing the Groovy security sandbox.

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 tightening the Groovy security sandbox.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Apache
Apache syncope
Vendors & Products Apache
Apache syncope
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code bypassing the Groovy security sandbox. 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 tightening the Groovy security sandbox.
Title Apache Syncope: RCE via Groovy Sandbox bypass
Weaknesses CWE-653
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Jul 21, 2026, 2:57 PM
Reserved
Jul 15, 2026, 12:33 PM
Status
Analyzed
Published
Jul 20, 2026, 3:16 PM
Modified
Oct 24, 2026, 8:10 PM