Composer symfony/security has 17 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.
| CVE | Title | Severity | CVSS | Affected | Fixed in |
|---|---|---|---|---|---|
| CVE-2016-2403 | Symfony Authentication Bypass | critical | 9.8 | >=2.8.0 and <2.8.6 or >=3.0.0 and <3.0.6 | 2.8.6, 3.0.6 |
| CVE-2015-8124 | Symfony Session Fixation Vulnerability | low | 3.1 | >=2.3.0 and <2.3.35 or >=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 | 2.3.35, 2.6.12, 2.7.7 |
| CVE-2015-8125 | Symfony Vulnerable to Timing Attack | high | 0.0 | >=2.3.0 and <2.3.35 or >=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 | 2.3.35, 2.6.12, 2.7.7 |
| CVE-2018-11407 | Symfony Authentication Bypass | critical | 9.8 | >=2.8.0 and <2.8.37 or >=3.0.0 and <3.3.17 or >=3.4.0 and <3.4.7 or >=4.0.0 and <4.0.7 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 <3.3.17 | 2.8.37, 3.3.17, 3.4.7, 4.0.7 |
| 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 >=2.0.0 and <2.1.0 or >=2.1.0 and <2.2.0 or >=2.2.0 and <2.3.0 or >=2.3.0 and <2.4.0 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 >=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-2016-1902 | Symfony Cryptographic Vulnerability | high | 7.5 | >=2.3.0 and <2.3.37 or >=2.4.0 and <2.6.13 or >=2.7.0 and <2.7.9 or >=2.4.0 and <2.5.0 or >=2.5.0 and <2.6.0 or >=2.6.0 and <2.6.13 | 2.3.37, 2.6.13, 2.7.9 |
| CVE-2012-6431 | Symfony Allows URI Restrictions Bypass Via Double-Encoded String | medium | 0.0 | >=2.0.0 and <2.0.19 | 2.0.19 |
| CVE-2013-5958 | Symfony Denial of Service Via Long Password Hashing | medium | 0.0 | >=2.0.0 and <2.0.25 or >=2.1.0 and <2.1.13 or >=2.2.0 and <2.2.9 or >=2.3.0 and <2.3.6 | 2.0.25, 2.1.13, 2.2.9, 2.3.6 |
| 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-2017-11365 | Symfony Incorrect Access Control | critical | 9.8 | >=2.7.30 and <2.7.32 or >=2.8.23 and <2.8.25 or >=3.2.10 and <3.2.12 or >=3.3.3 and <3.3.5 | 2.7.32, 2.8.25, 3.2.12, 3.3.5 |
| CVE-2021-21424 | Prevent user enumeration using Guard or the new Authenticator-based Security | medium | 5.3 | >=5.0.0 and <5.2.8 or >=2.8.0 and <3.4.49 or >=4.0.0 and <4.4.24 or >=2.8.0 and <3.0.0 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 <3.4.49 or >=4.0.0 and <4.1.0 or >=4.1.0 and <4.2.0 or >=4.2.0 and <4.3.0 or >=4.3.0 and <4.4.0 or >=4.4.0 and <4.4.24 | 5.2.8, 3.4.49, 4.4.24 |
| CVE-2017-16653 | Symfony CSRF Vulnerability | medium | 5.9 | >=2.7.0 and <2.7.38 or >=2.8.0 and <2.8.31 or >=3.0.0 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 or >=3.2.0 and <3.2.14 | 2.7.38, 2.8.31, 3.2.14, 3.3.13 |
| 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 <3.4.19 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 <3.4.19 | 2.7.50, 2.8.49, 3.4.19, 4.0.15 |
| 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 >=2.0.0 and <2.1.0 or >=2.1.0 and <2.2.0 or >=2.2.0 and <2.3.0 or >=2.3.0 and <2.4.0 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 >=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 |
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