symfony/security-http Known Vulnerabilities & Fixes
symfony/security-http has 3 known security vulnerabilities in Packagist (PHP). Upgrade to version 8.0.12 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 8.0.12
Upgrading to 8.0.12 or later resolves all 3 known vulnerabilities in symfony/security-http. Run: composer require symfony/security-http:^8.0.12
Is symfony/security-http in your project?
Check if you're affected and upgrade to 8.0.12 to stay secure.
Security Summary
- 11 affected version ranges have been identified across these 3 advisories.
- 100% of known issues have a published fixed version.
- Remediation: composer update symfony/security-http
Vulnerabilities
3 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed May 14, 2022, most recently May 27, 2026 (1475 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-45075 Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid] | HIGH | v7.4.0, v7.4.1, v7.4.11, v7.4.3 (+12 more) | 7.4.12, 8.0.12 |
| CVE-2018-11406 Symfony CSRF Token Fixation | HIGH | v2.7.0, v2.7.1, v2.7.10, v2.7.11 (+167 more) | 2.7.48, 2.8.41, 3.3.17 (+2 more) |
| CVE-2026-45063 Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator | HIGH | v2.4.0, v2.4.0-BETA1, v2.4.0-BETA2, v2.4.0-RC1 (+625 more) | 5.4.52, 6.4.40, 7.4.12 (+1 more) |
About This Data
Vulnerability data for symfony/security-http is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related Packagist (PHP) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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