PHP2Shell Vulnerability: Percona Security Update

October 23, 2026
Author
John Lionis
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About PHP Remote Code Execution Vulnerability (PHP2Shell CVE-2026-109618 & CVE-2026-109619)

Percona Security has been actively monitoring and responding to the recently disclosed PHP2Shell vulnerability, assessing its potential impact on our infrastructure and services.
Protecting our customers and their data remains our highest priority. Following the disclosure, our Security and IT teams took immediate steps to ensure that affected systems were protected.

Mitigation and Remediation

As part of our general security posture, Cloudflare (CF) mitigation measures were in place on affected systems prior to the availability of the official security patch, providing an additional layer of protection against potential exploitation.
Upon release of the security patch, Percona immediately deployed it across affected systems, ensuring timely remediation of the vulnerability.

Impact Assessment

Our Security team has conducted an investigation to assess potential exposure and identify any signs of exploitation.

Based on our findings to date:
No customer data was impacted.
No Indicators of Compromise (IoCs) have been identified during our investigation.
All systems have been patched, with protective mitigations having been in place prior to patch availability, where applicable.


Our Continued Commitment to Security

Percona continues to monitor emerging security threats and proactively strengthen its defenses to protect our customers, infrastructure, and services.
We remain committed to transparency and will provide further updates should any significant new findings emerge.
For security-related inquiries, please visit www.percona.com/security.

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