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Security news

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generalvia PortSwigger Research

Making HTTP header injection critical with one prompt

You can now escalate HTTP header injection to a CRLF-Powered Desync and exploit it to serve random users a redirect to your collaborator, in a single prompt. We’ve just introduced...

Nov 4, 2026 UTC
vulnerabilityvia Trail of Bits Blog

Backporting security fixes at scale with Codex

Stable Linux releases lack existing security fixes because backporting them is time-consuming and often thankless work. We’re using Codex to reduce the backporting process time fro...

Nov 2, 2026 UTC
vulnerabilityvia Trail of Bits Blog

Your AI agent fixed the bug, but what else did it change?

Today we’re publishing patching-bugs and regression-hunt, two plugins that let engineers delegate patch development and regression checks to agents. Our patching-bugs plugin reprod...

Oct 21, 2026 UTC
supply-chainvia Trail of Bits Blog

Package managers have an integrity problem

I tested 25 of the most popular package managers to check whether they detect a compromised package repository injecting malicious code into legitimate packages. This code integrit...

Oct 14, 2026 UTC
vulnerabilityvia Trail of Bits Blog

SequenceHash: multihashing for the rest of us

Multihashing is one of those cryptographic tasks that’s easy not to think about too much. This is unfortunate, because multihashing is a common stumbling point when cryptographers...

Oct 2, 2026 UTC