CVE-2026-17543: php from 8.2.0 (inclusive), before 8.2.33 (exclusive), from 8.3.0 (inclusive), before 8.3.33 (exclusive), from 8.4.0…

Affected technology

php · from 8.2.0 (inclusive), before 8.2.33 (exclusive)
php

php · from 8.3.0 (inclusive), before 8.3.33 (exclusive)
php

php · from 8.4.0 (inclusive), before 8.4.24 (exclusive)
php

php · from 8.5.0 (inclusive), before 8.5.9 (exclusive)
php

PHP · 8.2.* to before 8.2.33, 8.3.* to before 8.3.33, 8.4.* to before 8.4.24, 8.5.* to before 8.5.9
PHP Group

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 8.1/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.