Two CVSS 9.2 RCE Vulnerabilities in PHP Push a European Government Site Offline

HankYeomans · x · 2026-10-22

Palo Alto Networks Unit 42 details two critical PHP remote code execution vulnerabilities, CVE-2026-109618 and CVE-2026-109619, both rated 9.2 (CVSS 4.0). Both involve improper longjmp() fatal/OOM error handling leaving uninitialized or freed memory exploitable for arbitrary code execution. PoCs exist and at least one European government took its website offline as a precaution; admins are urged to patch immediately.

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