Trojan Source: Invisible Vulnerabilities
https://www.trojansource.codes/trojan-source.pdf
Detecting HTTP Header Smuggling Vulnerabilities
https://www.darkreading.com/application-security/free-tool-scans-web-servers-for-vulnerability-to-http-header-smuggling-attacks
Kaspersky Lost Amazon Simple Email Service Token
https://support.kaspersky.com/general/vulnerability.aspx?el=12430#01112021_phishing