Severity: ElevatedAction: Be aware

I had plans for that second

The Earth is speeding up, the leap second is being abolished, oh, and there's critical vulnerabilities in PHP.

Excerpt from the primary source: Cisco Talos Intelligence

Who is affected

Security professionals

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.

Security research

I had plans for that second Cisco Talos Intelligence · blog.talosintelligence.com · Oct 22, 2026 · Primary source
Severity: CriticalAction: Act nowExploitation: Exploited

Arista patches new VeloCloud Orchestrator zero-day exploited in attacks

Arista Networks released security updates to patch an actively exploited zero-day vulnerability affecting VeloCloud Orchestrator (VCO) On-Prem deployments.

Why it matters

Source reporting says attackers are already exploiting this, so exposed affected systems are at immediate risk.

Act now

Treat this as an emergency.

Severity: HighAction: Patch

New Serious PHP Vulnerabilities Released and Patched

PHP maintainers have released fixes for two critical vulnerabilities: PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35 fix two critical vulnerabilities that can allow unauthenticated remote code execution. All PHP users are strongly encouraged to update immediately. Who is at risk: all PHP installations serving web requests, including PHP-FPM, Apache with mod_php, php-cgi, FrankenPHP and LiteSpeed. We consider the risk…

Patch

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