GHSA-4CM8-XPFV-JV6F ZeptoClaw: Email Sender Spoofing to bypass Header-Only From Allowlist Validation

Summary The email channel authorizes senders based on the parsed From header identity only. If upstream email authentication/enforcement is weak for example, relaxed SPF/DKIM/DMARC handling, an attacker can spoof an allowlisted sender address and have the message treated as trusted input. Details...