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High, CVSS 7.2

Apache Syncope has an Improper Isolation or Compartmentalization vulnerability

CVE-2026-42782GHSA-gq7g-vg2q-jvq3

What to do

Partial vendor fix. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

  • GitHub Advisory Database and maintainer security advisories on GitHub

    GitHub-reviewed advisory GHSA-gq7g-vg2q-jvq3 lists affected ranges: Maven org.apache.syncope.core:syncope-core-spring >=3.0.0-M0 =4.0.0-M0 =4.1.0-M0 <4.1.1

    VerifiedObserved Structured GitHub Advisory Database record (type=reviewed) from the GitHub REST API.

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.2 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
  • CVE-2026-42782: 0.65% estimated exploitation activity in the next 30 days; percentile 51.32 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Improper Isolation or Compartmentalization vulnerability in Apache Syncope. An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code reaching a non-sandboxed execution path via the class static initializer. This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0. Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by forcing even the static initializer in Groovy code to run in a sandbox.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-gq7g-vg2q-jvq3

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2026-42782

Advisory: Apache Syncope has an Improper Isolation or Compartmentalization vulnerability
IDs: CVE-2026-42782, GHSA-gq7g-vg2q-jvq3
Record: https://patchnext.com/advisories/cve-2026-42782 (revision 1, source checked 26 Oct 2026, 16:54 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.2)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Partial vendor fix; fixed versions by package: org.apache.syncope.core:syncope-core-spring 4.1.1, 4.0.6. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.apache.syncope.core:syncope-core-spring: affected >= 3.0.0-M0, <= 3.0.16; >= 4.0.0-M0, < 4.0.6; >= 4.1.0-M0, < 4.1.1; fixed in 4.0.6, 4.1.1

## Suggested inspection (read-only)
- Maven org.apache.syncope.core:syncope-core-spring: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.apache.syncope.core:syncope-core-spring.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-gq7g-vg2q-jvq3 (GitHub-reviewed advisory GHSA-gq7g-vg2q-jvq3 lists affected ranges: Maven org.apache.syncope.core:syncope-core-spring >=3.0.0-M0 =4.0.0-M0 =4.1.0-M0 <4.1.1)

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