CVE-2026-109619 - RCE via stale global state
Posted: Wed Oct 21, 2026 6:48 pm
Published: 2026-10-21
Title: RCE via stale global state
Description:
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).
Score: 9.2 - CRITICAL
More Information:
https://www.cve.org/CVERecord?id=CVE-2026-109619
https://nvd.nist.gov/vuln/detail/cve-2026-109619
Title: RCE via stale global state
Description:
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).
Score: 9.2 - CRITICAL
More Information:
https://www.cve.org/CVERecord?id=CVE-2026-109619
https://nvd.nist.gov/vuln/detail/cve-2026-109619