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CVE-2026-98432: Linux TCP Use-After-Free Risk and Patch Validation

php2shell one week later: Why one exploit doesn’t work everywhere

php2shell raised fears of mass exploitation. A week of testing by our research team found that working exploits had to be fitted to each target’s exact PHP setup. Systems that share one build, such as network appliances, are the exception: one tuned exploit can reach every device that runs it.Key takeawaysThe five vulnerable PHP sites we exposed to the internet were not compromised, and public proofs-of-concept (PoCs…

PHP2Shell plus Fragnesia: A dangerous new route from web server to root

The PHP2Shell saga continues, with attackers discovering new ways to exploit the critical vulnerability impacting millions of organizations worldwide. The US Cybersecurity and Infrastructure Security Agency (CISA) has warned of a high severity Linux kernel privilege escalation flaw that attackers are chaining with PHP2Shell bugs in the wild. Identified as CVE-2026-46300, it could allow attackers to run malicious code…

Claude Model Builds Exploits Across Major Browsers & OSes

An unreleased version of the AI model has found and chained multiple vulnerabilities in Chrome, Safari, Android, Windows, and Linux, Anthropic says.