Symfony Path Disclosure
An issue was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9, and 4.2.x before 4.2.1. When using the scalar type hint string in a setter method (e.g. setName(string $name)) of a class that's the data_class of a form, and when a file upload is submitted to the corresponding field instead of a normal text input, then UploadedFile::__toString() is called which will then return and disclose the path of the uploaded file. If combined with a local file inclusion issue in certain circumstances this could escalate it to a Remote Code Execution.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | symfony/form | >= 2.7.0, < 2.7.50, >= 2.8.0, < 2.8.49, >= 3.0.0, < 3.4.20, >= 4.0.0, < 4.0.15, >= 4.1.0, < 4.1.9, >= 4.2.0, < 4.2.1 | 2.7.50, 2.8.49, 3.4.20, 4.0.15, 4.1.9, 4.2.1 |
| Composer package | symfony/symfony | >= 2.7.0, < 2.7.50, >= 2.8.0, < 2.8.49, >= 3.0.0, < 3.4.20, >= 4.0.0, < 4.0.15, >= 4.1.0, < 4.1.9, >= 4.2.0, < 4.2.1 | 2.7.50, 2.8.49, 3.4.20, 4.0.15, 4.1.9, 4.2.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-19789
- https://github.com/symfony/symfony/commit/b65e6f1a47b68f2713b60cdac9cc3a4af62a2d1c
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/form/CVE-2018-19789.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-19789.yaml
- https://github.com/symfony/symfony
- https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4TD3E7FZIXLVFG3SMFJPDEKPZ26TJOW7
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JZMRJ7VTHCY5AZK24G4QGX36RLUDTDKE
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OA4WVFN5FYPIXAPLWZI6N425JHHDSWAZ
- https://seclists.org/bugtraq/2019/May/21
- https://symfony.com/blog/cve-2018-19789-disclosure-of-uploaded-files-full-path
- https://symfony.com/cve-2018-19789
- https://web.archive.org/web/20210124224817/http://www.securityfocus.com/bid/106249
- https://www.debian.org/security/2019/dsa-4441
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-434- Platform
- Composer
- Package
symfony/form, symfony/symfony- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-x3cf-w64x-4cp2 - CC BY 4.0
Vulnerability history: symfony/symfony
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 100
- First → latest
- 11.2019 06.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 8
- High 28
- Medium 51
- Low 13
Disclosures per year
- 2019: 6
- 2020: 7
- 2021: 6
- 2022: 29
- 2023: 5
- 2024: 16
- 2025: 1
- 2026: 30
-
Symfony Path Disclosure this entry
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