symfony/http-kernel vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-45075Highsymfony/http-kernel: Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]CVE-2014-5245Highsymfony/http-kernel: Symfony allows direct access of ESI URLs behind a trusted proxy CVE-2022-24894Mediumsymfony/http-kernel: Symfony storing cookie headers in HttpCache CVE-2015-2308Mediumsymfony/symfony: Symfony Vulnerable to PHP Eval Injection CVE-2015-4050Mediumsymfony/http-kernel: Symfony Incorrect Access Control CVE-2019-18887Highsymfony/http-kernel: Symfony Http-Kernel has non-constant time comparison in UriSigner CVE-2021-41267Mediumsymfony/http-kernel: Webcache Poisoning in symfony/http-kernel CVE-2020-15094Highsymfony/http-kernel: RCE in Symfony

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