CVE-2026-109619PHP Stale Internal Request-State Vulnerability
- Product
- PHP Group PHP
- Added to CISA KEV
- October 26, 2026
- Deadline for US federal agencies
- October 29, 2026
- Known ransomware use
- Not known
- EPSS, next 30 days
- >99%, in the top 1% of scored CVEs (Nov 8, 2026)
- Weakness
- CWE-416, CWE-755, CWE-824, CWE-1325, CWE-1419
What CISA says
PHP contains a stale internal request-state vulnerability that allows for unauthenticated remote code execution.
What CISA asks you to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Sources
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Data from CISA's Known Exploited Vulnerabilities catalog (public domain) and FIRST EPSS, refreshed hourly. Rheono did not find or test this vulnerability; this page summarizes public sources.