Security Advisory

CVE-2026-47767

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-14 18:38:36

Last updated 2026-07-16 14:34:59

Assigner GitHub_M

CVSS score 8.3

State PUBLISHED

Description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 5.4.46 until 5.4.52, 6.4.40, 7.4.12, and 8.0.12, the CVE-2024-50340 fix gated runtime argv parsing on empty($_GET), but parse_str() and the web SAPI can disagree, allowing a crafted query string to leave $_GET empty while $_SERVER['argv'] still carries attacker-controlled --env or --no-debug flags that change APP_ENV or APP_DEBUG. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

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