CVE-2026-109618
PHP Group PHP
- PHP Group PHP
- Critical
- CVSS 9.2
- EPSS 11.62%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| PHP Group PHP | from 8.2.*, before 8.2.35; from 8.3.*, before 8.3.36; from 8.4.*, before 8.4.27; from 8.5.*, before 8.5.12 | 8.2.35, 8.3.36, 8.4.27, 8.5.12 |
Advisories and fixes
- Vendor advisory github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.2 (v4.0, scored by php)
- EPSS
- 11.62% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Oct 21, 2026.
- Weakness
- CWE-416: Use after free; CWE-755: Improper Handling of Exceptional Conditions; CWE-824: Access of uninitialized pointer; CWE-1325: Improperly controlled sequential memory allocation; CWE-1419: Incorrect Initialization of Resource
- Vendor
- PHP Group, PHP
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.