{"schema_version": "1.6.1", "id": "CVE-2026-42782", "summary": "Post-auth RCE via Groovy static", "details": "Improper Isolation or Compartmentalization vulnerability in Apache Syncope.\n\nAn 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.\n\nThis issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.\n\n\n\nUsers 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.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "3.0"}, {"last_affected": "3.0"}]}, {"type": "SEMVER", "events": [{"introduced": "4.0"}, {"last_affected": "4.0"}]}, {"type": "SEMVER", "events": [{"introduced": "4.1"}, {"last_affected": "4.1"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread/b869ms0ofrd129f7tgsn9flxgv9ztg2r"}]}