CISA adds PHP2Shell flaws to exploited-vulnerabilities catalog with a short federal deadline

Cybersecurity Laurenceo Intelligence CISA · United States

PHP underpins a large share of web-facing applications, so exposure extends to embedded runtimes in hosting panels and vendor software that organisations may not inventory as PHP. A short federal deadline signals urgency that private-sector teams should mirror, starting with an asset search for PHP in third-party products. The separate unpatched flaw means mitigation guidance needs monitoring beyond the two catalogued CVEs.

What Happened

BleepingComputer reports that CISA added two critical PHP vulnerabilities, CVE-2026-109618 and CVE-2026-109619, to its Known Exploited Vulnerabilities catalog and ordered federal civilian agencies to secure systems by Thursday under Binding Operational Directive 26-04. Unprivileged attackers can exploit them in high-complexity attacks to achieve remote code execution on unpatched systems. A Perplexity security lead reported in-the-wild exploitation over the weekend against an Apache mod_php installation running PHP 8.4.26, and the PHP security team separately shared mitigation for another unpatched RCE flaw (CVE-2026-115560).

Why It Matters

PHP underpins a large share of web-facing applications, so exposure extends to embedded runtimes in hosting panels and vendor software that organisations may not inventory as PHP. A short federal deadline signals urgency that private-sector teams should mirror, starting with an asset search for PHP in third-party products. The separate unpatched flaw means mitigation guidance needs monitoring beyond the two catalogued CVEs.

Sources

More From This Briefing

This story is part of the Laurenceo Intelligence briefing for 29 October 2026, a daily sourced briefing on AI, technology and enterprise risk published in Bermuda by Laurenceo, founded by Jorai Laurenceo. It is produced by an automated research pipeline and checked before publication; how this is made. General information only, not legal, regulatory or financial advice.