CVE-2026-113687

Critical

Description

Improper isolation or compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class running untrusted code on a separate Thread, thus 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 4.0.8, from 4.1.0-M0 through 4.1.3. Users are recommended to upgrade to version 4.0.9 / 4.1.4, which fix this issue.

SeverityCritical

CVSS9.8

Exploit probability—

ProductApache Syncope

PublishedNov 2, 2026

First seenNov 4, 2026

Weakness typeCWE-653CWE-653

How to fix

Vendor advisories

lists.apache.org/thread.html/xxfmworgxt6bf1got05b5pqbb679zjp0

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Syncope	3.0.0-M0 ≤ v ≤ 3.0.16, 4.0.0-M0 ≤ v ≤ 4.0.8, 4.1.0-M0 ≤ v ≤ 4.1.3	—

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