Vulnerability Database · Packagist · Package report
symfony/symfony: vulnerability history, versions and safety
symfony/symfony is a package in the Packagist ecosystem. Vulert records 25 vulnerabilities for it across 120 releases, from Nov 2019 to May 2026. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.
No patched version yet — these are the ones to plan around.
See the unfixed vulnerabilities →No published version shipped hostile code.
Vulert verdict on symfony/symfony i
Updated on 23 Oct 2026
Careful: one of the 25 vulnerabilities Vulert records for this package has no fix yet. Plan around that one, or apply its workaround. The rest have a fixed version to move to.
What to do: Plan around the 1 vulnerability with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →
- Vulnerabilities on record 25 over 6 years · 2 in the last year i
- Latest disclosure 29 May 2026 i
- Highest CVSS 9.8 i
- With no published fix 1 i
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01 Versions
Which versions are affected
Every version Vulert holds for symfony/symfony, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.
Newest 120 of 663 versions on record. Severity counts are the vulnerabilities recorded against that exact release.
02 Disclosure history
How often vulnerabilities are recorded
Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 2 of the 25 were recorded in the last 12 months.
03 Vulnerabilities
Recorded vulnerabilities for symfony/symfony
| Vulnerability | Severity | Fixed version ↓ | Disclosed ↓ |
|---|---|---|---|
| Symfony XML decoding attack vector through external entities in symfony/symfony | 9.8 critical | 2.0.11 | 30 May 2024 |
| CVE-2019-11325: Improper Input Validation in Symfony | 9.8 critical | 4.2.12 | 12 Feb 2020 |
| CVE-2018-11406: Symfony CSRF Token Fixation in symfony/symfony | 8.8 high | 2.7.48 | 14 May 2022 |
| CVE-2014-6072: Symfony Web Profiler Cross-Site Request Forgery Vulnerability | 8.1 high | 2.3.19 | 30 May 2024 |
| CVE-2018-11385: Symfony Session Fixation Vulnerability | 8.1 high | 2.7.48 | 14 May 2022 |
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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315
