# CVE-2019-5418: rails: There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 a...

CVE-2019-5418 is fixed in 10 products on 1 platform, first by rails 2:4.2.10-0ubuntu4+esm2, released March 27, 2019. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on July 7, 2025. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2019-5418
- Priority: Patch now
- CVSS: n/a (High)
- EPSS: 0.9851
- CISA KEV: listed Jul 7, 2025, federal due date Jul 28, 2025
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 27, 2019

## Description

There is a File Content Disclosure vulnerability in Action View <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 and v3 where specially crafted accept headers can cause contents of arbitrary files on the target system's filesystem to be exposed.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | rails Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [rails 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-rails-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-actionmailer Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-actionmailer 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-actionmailer-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-actionpack Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-actionpack 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-actionpack-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-actionview Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-actionview 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-actionview-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-activejob Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-activejob 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-activejob-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-activemodel Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-activemodel 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-activemodel-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-activerecord Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-activerecord 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-activerecord-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-activesupport Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-activesupport 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-activesupport-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-rails Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-rails 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-rails-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |
| Linux | ruby-railties Ubuntu 18.04.6 LTS (bionic) | 2:4.2.10-0ubuntu4+esm2 | [ruby-railties 2:4.2.10-0ubuntu4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-railties-2-4.2.10-0ubuntu4-esm2.md) | Mar 27, 2019 |

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