CVE-2026-52903

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...

CVE-2026-52903

A deserialization of untrusted data vulnerability exists in ManageIQ within the YamlLoadAliases module. The module overrides YAML.safe_load to silently fall back to YAML.unsafe_load in production environments when a Psych::DisallowedClass error occurs. An authenticated attacker with dialog import...

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...

PT-2026-110551

Name of the Vulnerable Software and Affected Versions ManageIQ affected versions not specified Description An issue exists where the YamlLoadAliases module overrides YAML.safe load to silently fall back to YAML.unsafe load in production environments when a Psych::DisallowedClass error occurs. An...

CVE-2026-52903: Deserialization of Untrusted Data

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...

CVE-2026-52903

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...