This story was originally published on HackerNoon at:
https://hackernoon.com/silent-hmac-key-contamination-uncovering-a-logic-flaw-in-burps-jwt-editor-extension.
JWT Editor was shortlisted for “Best Auth & Access Control” in PortSwigger’s 2026 Burp Suite Extension Awards. This is the story of finding a silent bug inside.
Check more stories related to cybersecurity at:
https://hackernoon.com/c/cybersecurity.
You can also check exclusive content about
#bug-bounty,
#burp-suite,
#burp-extensions,
#web-security,
#infosec,
#reverse-engineering,
#penetration-testing,
#hackernoon-top-story, and more.
This story was written by:
@rivenx173. Learn more about this writer by checking
@rivenx173's about page,
and for more stories, please visit
hackernoon.com.
JWT Editor was shortlisted for “Best Auth & Access Control” in PortSwigger’s 2026 Burp Suite Extension Awards. This is the story of finding a silent bug inside.