CVE-2026-45075: Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]

high Affects symfony/http-kernel, symfony/security-http, symfony/symfony. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]

Package
symfony/http-kernel Composer
Affected versions
>=7.4.0 and <7.4.12 or >=8.0.0 and <8.0.12
Fixed in
7.4.12, 8.0.12
Severity
high
Exploitation
not on CISA KEV · EPSS 0% (37.1th percentile)
Published
2026-05-27
Source
osv.dev

References

Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]

Package
symfony/security-http Composer
Affected versions
>=7.4.0 and <7.4.12 or >=8.0.0 and <8.0.12
Fixed in
7.4.12, 8.0.12
Severity
high
Exploitation
not on CISA KEV · EPSS 0% (37.1th percentile)
Published
2026-05-27
Source
osv.dev

References

Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]

Package
symfony/symfony Composer
Affected versions
>=7.4.0 and <7.4.12 or >=8.0.0 and <8.0.12
Fixed in
7.4.12, 8.0.12
Severity
high
Exploitation
not on CISA KEV · EPSS 0% (37.1th percentile)
Published
2026-05-27
Source
osv.dev

References

CWE-863
NVD recordsymfony/http-kernel advisoriessymfony/security-http advisoriessymfony/symfony advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories