🔐 CVE Alert

CVE-2026-42782

HIGH 7.2

Apache Syncope: Post-auth RCE via Groovy static

CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
6th

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.

CWE CWE-653
Vendor apache software foundation
Product apache syncope
Published May 25, 2026
Last Updated May 27, 2026
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Affected Versions

Apache Software Foundation / Apache Syncope
3.0 ≤ 3.0.16 4.0 ≤ 4.0.5 4.1 ≤ 4.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗
lists.apache.org: https://lists.apache.org/thread/b869ms0ofrd129f7tgsn9flxgv9ztg2r openwall.com: http://www.openwall.com/lists/oss-security/2026/05/25/4

Credits

Trung Nguyen, CyStack