Critical 9.8Published Jul 14, 2026

CVE-2026-47767Symfony is a PHP framework for web and console applications and a set of reusable PHP components.

Updated under an hour ago (2026-10-19 09:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for sensiolabs symfony

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-436
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jul 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

sensiolabs symfony sensiolabs:symfony	from 5.4.46 before 5.4.52; from 6.4.14 before 6.4.40; from 7.1.7 before 7.4.12; from 8.0.0 before 8.0.12	NVD

References

https://github.com/symfony/symfony/commit/3228c3806ee511008bea19a95084d460b17e5d25patch
https://github.com/symfony/symfony/releases/tag/v5.4.52product, release-notes
https://github.com/symfony/symfony/releases/tag/v6.4.40product, release-notes
https://github.com/symfony/symfony/releases/tag/v7.4.12product, release-notes
https://github.com/symfony/symfony/releases/tag/v8.0.12product, release-notes
https://github.com/symfony/symfony/security/advisories/GHSA-fqc7-9xjw-jrh3not-applicable

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.