CVE-2026-22779: Improper Neutralization of CRLF Sequences in HTTP Headers

BlackSheep is an asynchronous web framework to build event based web applications with Python. Prior to 2.4.6, the HTTP Client implementation in BlackSheep is vulnerable to CRLF injection. Missing headers validation makes it possible for an attacker to modify the HTTP requests e.g. insert a new...

BlackSheep Plugin Bites Back: Detecting FireSheep Hijack Attempts

With more than 600,000 copies of the FireSheep browser plug-in downloaded in a matter of weeks, Web security firm zScaler have released a new Firefox plug-in, BlackSheep, in hopes of combating attempts by those using FireSheep to try to hijack their Web session. The plug-in doesn’t protect users...