
Leaking internal headers in Flask Ninja with deserialization
Jul 21, 2026Thereโs an unfixed gadget living in Flask Ninja. Its HttpBearer authenticator reads the credential from a header named by a plain, writable โฆ

Thereโs an unfixed gadget living in Flask Ninja. Its HttpBearer authenticator reads the credential from a header named by a plain, writable โฆ

Reported an OAuth token leak via open redirect in Harvest.

AppSec Village DEF CON 31 CTF^2 (developer) winning entry. Bypassed the encryption and mutation techniques of the Mutant Language.

Reported CVE-2021-27902 (XSS) and CVE-2021-27903 (SSTI) that can be chained together to gain Remote Code Execution in CraftCMS.

Discovered a method to leak IP addresses in a misconfigured WordPress instance (useful when targets are behind a dns firewall like CloudFlare)