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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…
AI is widening the attack surface of the critical infrastructure facilities and services that state, local, and education (SLED) organizations run. In the final post of our Cybersecurity Awareness Month series, we explain how a whole-of-state security approach can help SLED agencies protect their critical infrastructure.Key takeawaysBecause cyber attackers prey on under-resourced targets, they often go after SLED org…
Researchers have demonstrated remote code execution through CVE-2026-111497, an out-of-bounds write in Google's Brotli decoder library, and public proofs-of-concept (PoCs) are available. Software that uses the decoder includes Node.js, .NET, Bun, Envoy Proxy, Istio, Python HTTP clients and PHP for Windows.Key TakeawaysCVE-2026-111497, known as Brotli2Shell and by several other names, is an out-of-bounds write in Goog…
Learn how to use Tenable solutions to find vulnerable PHP versions, prioritize remediation, and patch the critical PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) faster.Key takeawaysThe PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) put security teams in a race against attackers. PHP runs on more than 70% of websites, so organizations need to quickly find where they’re affected and u…
