CVE-2026-17543

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.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - security@php.net

Published

2026-07-30

Last modified

2026-10-23

Weaknesses

CWE-89

Affected products

• Php (Php)
• Php (Php Group)

References

• https://github.com/php/php-src/security/advisories/GHSA-7qpv-r5mr-78m4