Authentication Bypass Using an Alternate Path or Channel Affecting symfony/symfony package, versions <5.4.53>=6.0.0-BETA1, <6.4.41>=7.0.0-BETA1, <7.4.13>=8.0.0-BETA1, <8.0.13
Threat Intelligence
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Test your applications- Snyk IDSNYK-PHP-SYMFONYSYMFONY-16894769
- published27 May 2026
- disclosed27 May 2026
- creditTrung Tran
Introduced: 27 May 2026
CVE-2026-48489 (opens in a new tab)How to fix?
Upgrade symfony/symfony to version 5.4.53, 6.4.41, 7.4.13, 8.0.13 or higher.
Overview
symfony/symfony is a PHP framework for web applications and a set of reusable PHP components.
Affected versions of this package are vulnerable to Authentication Bypass Using an Alternate Path or Channel via failure_forward Subrequest. An attacker could manipulate the _failure_path parameter to force the application to make an internal subrequest to a restricted area without passing through the normal firewall/access control listeners.