CVE-2026-17543
PHP · Published July 30, 2026
9.8
CVSS v3.1
CRITICALPatch availableGet patch
Description
Improper escaping of backslashes in attacker-provided parameters would allow for trivial SQL injection in PHP versions from 8.2.* before 8.2.33, from 8.3.* before 8.3.33, from 8.4.* before 8.4.24, and from 8.5.* before 8.5.9.
Affected Products
- PHP < 8.2.33
- PHP < 8.3.33
- PHP < 8.4.24
- PHP < 8.5.9
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H