Security Advisory: PHP2Shell Vulnerabilities

Centaur Software is aware of the critical PHP security vulnerabilities disclosed on 21 October 2026, commonly referred to as PHP2Shell. Following the disclosure, we initiated a security assessment across our products, applications and supporting infrastructure.

Assessment Findings

Our security teams have completed their assessments and confirmed that no vulnerable components were identified in our customer-facing applications or applications holding personally identifiable information (PII). 

A small number of internal-only systems were identified as requiring remediation. These systems have been patched or are currently being patched. 

No evidence of exploitation has been detected through our investigations to date. 

Customer Impact

Based on our assessment, no impact to customer-facing applications or customer data has been identified in connection with these vulnerabilities. 

No action is currently required from customers. 

Ongoing Security Measures

We continue to monitor our environments and complete the remaining internal remediation activities as part of our ongoing security management processes. 

We will update this advisory if any material new information becomes available. 

References

Picture of Author: Kanella Theo

Author: Kanella Theo

Share this article:

You may also like:

October 26, 2026
Articles

Inside the 2026 Dental Practice Review: What the Findings Mean

Australian dental practices are navigating a changing mix of workforce pressures, patient expectations, affordability concerns and new technology. But how are these forces affecting practices day to day, and where should owners and managers focus next?
October 22, 2026
Articles

When AI Stops Asking for Permission

The question is no longer whether AI will act on its own because it already does. The question is how much you trust it when it does, and this article is about answering that one decision at a time.
Resource
New research from Centaur Software on Australian dental practices: what’s driving uneven performance, and where they can act first.

Security Advisory: About the PHP2Shell Vulnerabilities