CVE-2026-42782
Apache Syncope: Post-auth RCE via Groovy static
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 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.
INFO
Published Date :
May 25, 2026, 2:58 p.m.
Last Modified :
May 25, 2026, 2:58 p.m.
Remotely Exploit :
No
Source :
apache
Affected Products
The following products are affected by CVE-2026-42782
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Upgrade Apache Syncope to version 4.0.6 or 4.1.1.
- Ensure Groovy code execution is properly sandboxed.
- Apply vendor-recommended patches for Apache Syncope.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-42782 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-42782 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
May. 25, 2026
Action Type Old Value New Value Added 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 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. Added CWE CWE-653 Added Reference https://lists.apache.org/thread/b869ms0ofrd129f7tgsn9flxgv9ztg2r