CVE-2026-109619
RCE via stale global state
At a glance Severity CRITICAL 9.2 Exploitation Known exploited (CISA KEV) · added 2026-10-26 Exploited per ENISA since 2026-10-26 EPSS EPSS 100.00 % · percentile 100 (2026-10-27) State PUBLISHED Published 2026-10-21 Updated 2026-10-28 Assigner php NVD status Analyzed 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).
Scores Version Score Vector Scored by CVSS 4.0 CRITICAL 9.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N php CVSS 4.0 CRITICAL 9.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X NVD · security@php.net (Secondary) CVSS 3.1 HIGH 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 5.4.0 < 8.2.35cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.3.0 < 8.3.36cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.4.0 < 8.4.27cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 8.5.0 < 8.5.12cpe:2.3:o:siemens:ruggedcom_ape1808_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 10.2.0 < 10.2.7cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:-:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h1:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h10:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h11:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h12:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h13:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h14:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h15:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h16:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h17:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h18:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h19:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h2:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h20:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h21:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h22:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h23:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h24:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h3:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h32:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h34:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h35:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h36:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h37:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h38:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h4:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h5:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h6:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h7:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h8:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.7:h9:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.8:*:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.9:*:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:10.2.10:-:*:*:*:*:*:*+258 more Affected products Product Versions PHP Group · PHP affected 8.2.* < 8.2.35 ; affected 8.3.* < 8.3.36 ; affected 8.4.* < 8.4.27 ; affected 8.5.* < 8.5.12
References
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