Composer symfony/security-http has 20 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.
| CVE | Title | Severity | CVSS | Affected | Fixed in |
|---|---|---|---|---|---|
| CVE-2015-8124 | Symfony Session Fixation Vulnerability | low | 3.1 | >=2.4.0 and <2.6.12 or >=2.7.0 and <2.7.7 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.6.12 | 2.6.12, 2.7.7 |
| CVE-2015-8125 | Symfony Vulnerable to Timing Attack | high | 0.0 | >=2.4.0 and <2.6.12 or >=2.7.0 and <2.7.7 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.6.12 | 2.6.12, 2.7.7 |
| CVE-2018-11385 | Symfony Session Fixation Vulnerability | high | 8.1 | >=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11 or >=2.4.0 and <2.7.48 or >=2.5.0 and <2.7.48 or >=2.6.0 and <2.7.48 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17 | 2.7.48, 2.8.41, 3.3.17, 3.4.11 |
| CVE-2016-4423 | Symphony Denial of Service Via Overlong Usernames | high | 7.5 | >=2.3.0 and <2.3.41 or >=2.4.0 and <2.7.13 or >=2.8.0 and <2.8.6 or >=3.0.0 and <3.0.6 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.7.0 or >=2.7.0 and <2.7.13 | 2.3.41, 2.7.13, 2.8.6, 3.0.6 |
| CVE-2021-21424 | Prevent user enumeration using Guard or the new Authenticator-based Security | medium | 5.3 | >=5.1.0 and <5.2.8 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.2.8 | 5.2.8 |
| CVE-2019-18886 | User enumeration leak using switch user functionality in Symfony | medium | 5.3 | >=4.1.0 and <4.2.12 or >=4.3.0 and <4.3.8 or >=4.1.0 and <4.2.0 or >=4.2.0 and <4.2.12 | 4.2.12, 4.3.8 |
| CVE-2018-19790 | Symfony Open Redirect | medium | 6.1 | >=2.7.38 and <2.7.50 or >=2.8.0 and <2.8.49 or >=3.0.0 and <3.4.20 or >=4.0.0 and <4.0.15 or >=4.1.0 and <4.1.9 or >=4.2.0 and <4.2.1 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.4.0 or >=3.4.0 and <3.4.20 | 2.7.50, 2.8.49, 3.4.20, 4.0.15 |
| CVE-2021-32693 | Authentication granted to all firewalls instead of just one | medium | 6.8 | >=5.3.0 and <5.3.2 | 5.3.2 |
| CVE-2019-10911 | Improper authentication in Symfony | high | 7.5 | >=2.7.0 and <2.7.51 or >=2.8.0 and <2.8.50 or >=3.0.0 and <3.4.26 or >=4.0.0 and <4.1.12 or >=4.2.0 and <4.2.7 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.4.0 or >=3.4.0 and <3.4.26 or >=4.0.0 and <4.1.0 or >=4.1.0 and <4.1.12 | 2.7.51, 2.8.50, 3.4.26, 4.1.12 |
| CVE-2020-5275 | Firewall configured with unanimous strategy was not actually unanimous in Symfony | high | 7.6 | >=4.4.0 and <4.4.7 or >=5.0.0 and <5.0.7 | 4.4.7, 5.0.7 |
| CVE-2017-16652 | Symfony Open Redirect | medium | 6.1 | >=2.7.0 and <2.7.38 or >=2.8.0 and <2.8.31 or >=3.2.0 and <3.2.14 or >=3.3.0 and <3.3.13 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 | 2.7.38, 2.8.31, 3.2.14, 3.3.13 |
| CVE-2018-11406 | Symfony CSRF Token Fixation | high | 8.8 | >=2.7.0 and <2.7.48 or >=2.8.0 and <2.8.41 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.11 or >=4.0.0 and <4.0.11 or >=2.4.0 and <2.7.48 or >=2.5.0 and <2.7.48 or >=2.6.0 and <2.7.48 or >=3.0.0 and <3.1.0 or >=3.1.0 and <3.2.0 or >=3.2.0 and <3.3.0 or >=3.3.0 and <3.3.17 | 2.7.48, 2.8.41, 3.3.17, 3.4.11 |
| CVE-2023-46733 | Symfony possible session fixation vulnerability | medium | 6.5 | >=5.4.21 and <5.4.31 or >=6.2.7 and <6.3.8 or >=5.4.0 and <5.4.31 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.3.8 | 5.4.31, 6.3.8 |
| CVE-2024-51996 | Symfony has an Authentication Bypass via RememberMe | high | 7.5 | >=5.3.0 and <5.4.47 or >=6.0.0-BETA1 and <6.4.15 or >=7.0.0-BETA1 and <7.1.8 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.47 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.4.0 or >=6.4.0 and <6.4.15 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.1.8 | 5.4.47, 6.4.15, 7.1.8 |
| CVE-2026-48489 | Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes | high | 0.0 | <5.4.53 or >=6.0.0 and <6.4.41 or >=7.0.0 and <7.4.13 or >=8.0.0 and <8.0.13 or >=2.0.0 and <3.0.0 or >=3.0.0 and <4.0.0 or >=4.0.0 and <5.0.0 or >=5.0.0 and <5.1.0 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.3.0 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.53 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.4.0 or >=6.4.0 and <6.4.41 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.13 | 5.4.53, 6.4.41, 7.4.13, 8.0.13 |
| CVE-2026-45074 | Symfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay | medium | 0.0 | >=7.1.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12 | 7.4.12, 8.0.12 |
| CVE-2026-45075 | Symfony's HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid] | high | 0.0 | >=7.4.0 and <7.4.12 or >=8.0.0 and <8.0.12 | 7.4.12, 8.0.12 |
| CVE-2026-45063 | Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator | high | 0.0 | <5.4.52 or >=6.0.0-BETA1 and <6.4.40 or >=7.0.0-BETA1 and <7.4.12 or >=8.0.0-BETA1 and <8.0.12 or >=2.0.0 and <3.0.0 or >=3.0.0 and <4.0.0 or >=4.0.0 and <5.0.0 or >=5.0.0 and <5.1.0 or >=5.1.0 and <5.2.0 or >=5.2.0 and <5.3.0 or >=5.3.0 and <5.4.0 or >=5.4.0 and <5.4.52 or >=6.0.0 and <6.1.0 or >=6.1.0 and <6.2.0 or >=6.2.0 and <6.3.0 or >=6.3.0 and <6.4.0 or >=6.4.0 and <6.4.40 or >=7.0.0 and <7.1.0 or >=7.1.0 and <7.2.0 or >=7.2.0 and <7.3.0 or >=7.3.0 and <7.4.0 or >=7.4.0 and <7.4.12 or >=8.0.0 and <8.0.12 | 5.4.52, 6.4.40, 7.4.12, 8.0.12 |
| CVE-2026-45069 | Symfony's OidcTokenHandler Accepts JWTs Missing aud/iss/exp Claims | medium | 0.0 | >=6.3.0 and <6.4.40 or >=7.4.0 and <7.4.12 or >=8.0.0 and <8.0.12 or >=6.3.0 and <6.4.0 or >=6.4.0 and <6.4.40 | 6.4.40, 7.4.12, 8.0.12 |
| GHSA-g2qj-pmxm-9f8f | User enumeration in authentication mechanisms | low | 0.0 | >=5.1.0 and <5.2.8 | 5.2.8 |
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