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A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.74 and earlier allows attackers with permission to define sandboxed scripts to provide crafted return values or script binding content that can result in arbitrary code execution on the Jenkins controller JVM.
Use Jenkins vendor hub and Script Security product page to widen CVE-2020-2279 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2022-43404, CVE-2022-43403 and CVE-2022-43401 for nearby disclosures in the same product family. Additional editorial context is available in Cybersecurity Weekly Roundup: April 27, 2026 — Critical Zero-Days and Framework Failures.