κ°λν | Daehyun Kang λ°±μλ κ°λ°μ | 보μ Web | LinkedIn | Email Security Advisories CVE Product Summary Severity PoC CVE-2026-41729 Spring Data REST SpEL Injection via Map Key in JSON Patch 8.1 High PoC CVE-2026-40987 Spring Integration Remote-file Synchronizer Arbitrary File Write 7.1 High PoC