Posts tagged with "filter-bypass" | kudaliar's blog

MetaCTF January 2026 - PixelPerfect

Writeup for PixelPerfect from MetaCTF January 2026. A Web challenge involving Ruby Code Injection via instance_eval.

k kudaliar
February 1, 2026
2 min read

writeup web ruby code-injection rce filter-bypass metactf
PascalCTF 2026 - PDFile

Writeup for PDFile from PascalCTF 2026. A Web challenge involving XXE via XML Parser Misconfiguration.

k kudaliar
February 1, 2026
3 min read

writeup web xxe xml filter-bypass pascalctf