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Critical PHP Vulnerabilities Prompt Government Website Shutdowns

Critical PHP Vulnerabilities Prompt Government Website Shutdowns

First seen 24 Oct 2026, 21:42 UTC • •
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ThreatCluster AI
ThreatCluster •October 24, 2026 at 22:43 UTC
  • •Two critical PHP vulnerabilities rated 9.2 on CVSS require immediate attention.
  • •Government websites across Europe were taken offline to mitigate risks.
  • •Patches are available, but many sites may remain vulnerable due to poor management.

On October 24, 2026, government websites across Europe were taken offline due to two critical vulnerabilities in PHP, rated 9.2 on the CVSS scale. The vulnerabilities allow unauthenticated remote code execution, posing significant risks to millions of servers. PHP, which powers approximately 70% of websites, including WordPress, has been under scrutiny since the flaws were reported in August 2026 by security firms using AI models. The EU's cybersecurity response team, CERT-EU, advised organizations to patch the vulnerabilities or take affected sites offline to prevent exploitation. The vulnerabilities have been described as among the most severe in software history, with the potential for data theft and system compromise. The NSA has also issued warnings, urging immediate action from web developers and administrators. As of now, patches are available, but many small websites may remain vulnerable due to lack of awareness or resources.

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Timeline

2026-08-11
First vulnerability reported
Security firm Calif reported the first critical flaw in PHP, discovered using AI models.
Thedailystar
2026-08-24
Second vulnerability reported
Wiz reported a second critical flaw in PHP, also using AI models.
Thedailystar
2026-10-24
Government websites taken offline
EU cybersecurity officials advised taking affected websites offline until patches are applied.
Thedailystar

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Common questions

What are the specific vulnerabilities?
The vulnerabilities allow unauthenticated remote code execution, affecting PHP installations.
How urgent is the patching process?
Patching is urgent; affected sites should be taken offline if patches cannot be applied immediately.
Who is affected by these vulnerabilities?
Nearly 70% of websites using PHP, including government and small business sites, are at risk.