nullcathedral

105 karmajoined December 12, 2025On HN

hn username @ hn username dot com

happy to discuss infosec, vulndev, etc.

There’s apparently a generative AI “artist” using the same name. We’re not related.

Recent submissions

Roundcube Webmail: three more sanitizer bypasses enable tracking and phishing nullcathedral.com
2nullcathedral5mo1 comment
Perfex CRM: Unauthenticated RCE via PHP's S: deserialization format nullcathedral.com
1nullcathedral5mo1 comment
Roundcube Webmail: SVG feImage bypasses image blocking to track email opens nullcathedral.com
175nullcathedral7mo75 comments

All submissions and comments on Hacker News.