A prompt injection attack hit Claude Code, Gemini CLI, and Copilot simultaneously. Here's what all three system cards reveal — and don't — about agent runtime protection.

The emergence of generative artificial intelligence services has produced a steady increase in what is typically referred to as “prompt injection” hacks, manipulating large language models through ...

Microsoft assigned CVE-2026-21520, a CVSS 7.5 indirect prompt injection vulnerability, to Copilot Studio. Capsule Security discovered the flaw, coordinated disclosure with Microsoft, and the patch was ...

Anthropic has silently patched a vulnerability that would have allowed an attacker to bypass the Claude Code network sandbox.

Be careful around AI-powered browsers: Hackers could take advantage of generative AI that's been integrated into web surfing. Anthropic warned about the threat on Tuesday. It's been testing a Claude ...

A remote prompt injection flaw in GitLab Duo allowed attackers to steal private source code and inject malicious HTML. GitLab has since patched the issue. A newly disclosed vulnerability in GitLab Duo ...