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CVE-2026-63071

Apache Syncope: RCE via Groovy Sandbox bypass

Published: Jul 20, 2026Updated: Jul 27, 2026 Sources: CVE List NVDCWE-653
9.8CRITICAL
NVD MITRE
EPSS Score
0.4%
Top 63.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-653

Affected Products

apache
oss-project·USaka apache httpd, apache http server
syncopeOn-premWeb App
Web & CMS Plugins / cms-core
Apache Software Foundation
oss-project·USaka apache foundation
Apache SyncopeOn-prem
Enterprise Software

Exploitability

Official Patch Available
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References

https://lists.apache.org/thread/2236mlm6hbvs6g16yqz5y9s8bb7q1lo1
lists.apache.org
http://www.openwall.com/lists/oss-security/2026/07/20/11
openwall.com

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