CVE-2026-55107 - Kobako Vulnerable to Sandbox Escape: guest eval reaches host RCE via method_missing → public_send (any bound Service)
CVE ID :CVE-2026-55107 Published : Sept. 30, 2026, 6:18 p.m. | 20 minutes ago Description :Kobako is a Ruby gem that embeds a Wasm-isolated mruby interpreter inside applications, allowing execution of untrusted Ruby scripts (LLM-generated code, user formulas, student submissions, third-party...