CVE-2026-52903 YAML safe_load production fallback to unsafe_load enables RCE via deserialization

A deserialization of untrusted data vulnerability was found in ManageIQ. The YamlLoadAliases module overrides YAML.safeload to silently fall back to YAML.unsafeload in production when a Psych::DisallowedClass error occurs. An authenticated attacker with dialog import access can exploit this to...