AIKIDO-2026-10879
symfony/http-kernel is vulnerable to Incorrect Authorization
65
Medium Risk
This Affects:
symfony/http-kernelTL;DR
Symfony security attributes can be configured to enforce validation only for specific HTTP methods. A configuration that includes GET does not automatically include HEAD, even though Symfony serves HEAD through the GET handler. Pre-fix controllers can execute for HEAD requests while authorization, CSRF, or signature checks are skipped. The fix expands GET method filters to include HEAD.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
symfony/http-kernel is vulnerable to Incorrect Authorization in versions 7.4.0 - 7.4.11 and 8.0.0 - 8.0.11.
How to fix this
Upgrade the symfony/http-kernel and/or symfony/symfony library to the patch version.
Are You Affected?
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SOC 2Compliant
ISO 27001Compliant