CVE-2026-63071

CRITICAL9.8

Apache Syncope: RCE via Groovy Sandbox bypass

Published Jul 20, 2026

Modified 3 weeks ago

Details

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.

References

WEB

http://www.openwall.com/lists/oss-security/2026/07/20/11

ADVISORY

https://lists.apache.org/thread/2236mlm6hbvs6g16yqz5y9s8bb7q1lo1

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-63071

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.8/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Other

CWE-653

Ecosystems

Timeline

PublishedJul 20, 2026

ModifiedJul 21, 2026