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Critical severity9.8NVD Advisory· Published Jul 14, 2026· Updated Jul 16, 2026

CVE-2026-47767

CVE-2026-47767

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
symfony/runtimePackagist
>= 5.4.46, < 5.4.525.4.52
symfony/runtimePackagist
>= 6.4.14, < 6.4.406.4.40
symfony/runtimePackagist
>= 7.1.7, < 7.4.127.4.12
symfony/runtimePackagist
>= 8.0.0, < 8.0.128.0.12
symfony/symfonyPackagist
>= 5.4.46, < 5.4.525.4.52
symfony/symfonyPackagist
>= 6.4.14, < 6.4.406.4.40
symfony/symfonyPackagist
>= 7.1.7, < 7.4.127.4.12
symfony/symfonyPackagist
>= 8.0.0, < 8.0.128.0.12

Affected products

2
  • Sensiolabs/Symfonyllm-create2 versions
    5.4.46 - 5.4.52, 6.4.40, 7.4.12, 8.0.12+ 1 more
    • (no CPE)range: 5.4.46 - 5.4.52, 6.4.40, 7.4.12, 8.0.12
    • cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*range: >=5.4.46,<5.4.52

Patches

Vulnerability mechanics

References

7

News mentions

0

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