Top 10 web hacking techniques of 2025

2026-03-25T20:51:58Z7773520574e79b12f2f9dd00f817777709062068acaa43cc808462e1259d0b91
cache-exploitationcookiescss-exfiltrationexploit-techniqueshttp-desynchttponlyjwtport-swiggerrace-conditionsrequest-smugglingresearchsamlunicode-overflowwaf-bypassweb-application-securitywebsocket

What happened

PortSwigger Research published a large collection of web-security investigations and tooling updates (including the "Top 10 Web Hacking Techniques of 2025" roundup). Notable items include parser-level SAML authentication bypasses ("The Fragile Lock" / "SAML roulette") leading to full authentication/unauthenticated admin access in some Ruby/PHP SAML ecosystems and GitLab Enterprise; a broad analysis and exploitation roadmap for HTTP/1.1 desync attacks ("HTTP/1.1 must die"), plus new desync exploitation techniques (including TRACE-based methods); cookie defense bypasses (cookie-prefix and "phant

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
portswigger_research
Record identifier
7773520574e79b12f2f9dd00f817777709062068acaa43cc808462e1259d0b91
Enrichment time
2026-03-25T20:51:58Z
AI-assisted enrichment
Yes

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Record · Top 10 web hacking techniques of 2025 · Baitaphish