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CVE Watch5 de nov. de 2026

CVE-2026-109619

PHP Stale Internal Request-State Vulnerability

CVSS

8.1

Alta

EPSS

100.0%

p100

KEV

SIM

26 de out. de 2026

Exploit Today

80

0-100

Publicado: 21 de out. de 2026 · Última mod.: 5 de nov. de 2026 · CWE-416 · CWE-755 · CWE-824

EPSS · 30d
5.8%EPSS · 30 dias100.0%
2026-10-222026-11-05
Ficha do catálogo KEV

Produto

PHP Group / PHP

Vulnerabilidade

PHP Stale Internal Request-State Vulnerability

Adicionado ao KEV

26 de out. de 2026

Corrigir até

29 de out. de 2026

Uso conhecido em ransomware

Não

Descrição resumida

PHP contains a stale internal request-state vulnerability that allows for unauthenticated remote code execution.

Ação necessária

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.

Notas

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-2026-109619

Descrição técnica

PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The global state may then refer to request memory even after it has been freed. Subsequent requests may read or branch on this stale state before it is fully initialized. Multiple strategies can trigger this condition and produce remote code execution (RCE).

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