Unpatched Remote Code Execution (CVE‑2026‑115560) in PHP Threatens Web Servers After Emergency PHP2Shell Fixes
PHP disclosed CVE‑2026‑115560, a high‑severity remote‑code‑execution flaw that affects web apps using a rarely‑enabled configuration. The vulnerability highlights the need for continuous configuration control and audit‑ready evidence for compliance.
ADTP Breach Watch· October 23, 2026· The Hacker News
SeverityHigh
Type📋 Vulnerability
ConfidenceHigh
ReportedOct 23, 2026
Technology & SaaSTECH_SAASVulnerability Exploit
What happened
PHP announced a new RCE vulnerability (CVE‑2026‑115560) that can be exploited when a specific, uncommon feature is enabled. The project does not provide an emergency patch, instead advising administrators to disable the feature.
Why it matters for trust and compliance
The flaw tests the secure configuration management control area, underscoring the importance of continuous monitoring and documented evidence of configuration baselines for audit readiness.
Demonstrates the need for continuous control mapping of runtime configurations across frameworks.
Provides a concrete audit artifact (configuration change logs) to prove due diligence.
Who is affected
TECH_SAAS
Recommended actions
Disable the vulnerable PHP feature as per the advisory.
Run an inventory scan to confirm the feature is not enabled on any server.
Capture and retain configuration change logs as evidence of remediation.
Details
CVEs
CVE-2026-115560
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