A sandbox bypass vulnerability involving various casts performed implicitly by the Groovy language runtime in Jenkins Script Security Plugin 1183.v774b_0b_0a_a_451 and earlier allows attackers with permission to define and run sandboxed scripts, including Pipelines, to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.
Use Jenkins vendor hub and Script Security product page to widen CVE-2022-43401 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2022-43404, CVE-2022-43403 and CVE-2020-2279 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.