Severity: ElevatedAction: Be aware

Industrial Vendors Check Products for PHP2Shell Vulnerabilities

Siemens, Schneider Electric, ABB and others have confirmed that some of their products are affected by the PHP2Shell vulnerabilities.

Excerpt from the primary source: SecurityWeek

Who is affected

Critical infrastructure

What you should do · Be aware

No immediate action is indicated. Share this with the relevant teams and watch for updates.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

We link to original and authoritative sources. Headlines and excerpts belong to their publishers.

Original reporting

Industrial Vendors Check Products for PHP2Shell Vulnerabilities SecurityWeek · securityweek.com · Oct 26, 2026 · Primary source
Severity: HighAction: Patch

Critical 'HTTP2Shell' Brotli vulnerability triggers emergency patches

A critical flaw dubbed 'HTTP2Shell' in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data.

Patch

Apply the vendor's security update for the affected products.

Severity: HighAction: Patch

Microsoft releases emergency .NET patches for critical Brotli flaw

Microsoft released emergency .NET security updates to patch a critical vulnerability known as Broccoli2Shell, also tracked as Node2Shell and HTTP2Shell.

Patch

Apply the vendor's security update for the affected products.

Severity: ElevatedAction: Be aware

10 Software Security Practices Built for the Next 250 Years

This Cybersecurity Awareness Month's theme, "Securing the Next 250," asks us to look beyond vulnerabilities and consider what will make our digital systems resilient for generations.