PT-2026-27020

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...

GSA Bounty: Server Side Misconfiguration (EMAIL SPOOFING)

Hi team, Bug Type: Server Security Misconfiguration Mail Server Misconfiguration Missing SPF on Email Domain Weakness: Improper Authentication Description: i observe this when i send a email from [email protected] through http://emkei.cz/ to email [email protected] and afte...

Localize: missing sender policy framework (SPF)

A Valid TXT Record was not found in localize.im This can spoof your email address. Proof of Concept: http://mxtoolbox.com/SuperTool.aspx?action=spf:localize.im&run=toolpage related article: Missing SPF for hackerone.com...