Ruby on Rails - JSON Processor YAML Deserialization Code Execution (Metasploit)

Ruby on Rails - JSON Processor YAML Deserialization Code Execution (Metasploit)

Published 8 Sep 2026Updated 8 Sep 20263 sources
CVSS 7.5 ✓ VERIFIED REFERENCE

What happened

A public source linked this CVE to an advisory or demonstration repository. Review the original reference before use.

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references