CVE detail
CVE-2026-109618: PHP Memory Corruption Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
PHP Group · PHP
- Date added (KEV)
- Oct 26, 2026
- CISA due date
- Oct 29, 2026
- Ransomware campaign use
- Unknown
Required action
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.
Vendor fix: Vendor mitigation
Scorifya interpretation
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Plain English
Technical detail
From CISA
PHP contains an out-of-memory corruption vulnerability that allows for unauthenticated remote code execution.
This vulnerability affects an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://www.php.net/ ; https://www.cisa.gov/news-events/alerts/2026/10/21/critical-vulnerabilities-php-require-immediate-patching ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-109618
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now. Scorifya can't test for PHP Group directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://github.com/php/php-src/security/advisories/GHSA-w8hw-w9fx-j79wMitigationVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/10/21/6Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2026/10/23/5Mailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-566512.htmlThird Party Advisory
- https://www.wiz.io/blog/php2shell-php-rceThird Party Advisory
Other recent CVEs from PHP Group
- CVE-2026-109619PHP, PHP Stale Internal Request-State Vulnerability
- CVE-2024-4577PHP, PHP-CGI OS Command Injection Vulnerability