# CVE-2018-3760: ruby-sprockets: There is an information leak vulnerability in Sprockets

CVE-2018-3760 is fixed in ruby-sprockets on 1 platform by ruby-sprockets 3.7.0-1+deb9u1build0.18.04.1 (version 3.7.0-1+deb9u1build0.18.04.1), released June 26, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-3760
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.2635
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 26, 2018

## Description

There is an information leak vulnerability in Sprockets. Versions Affected: 4.0.0.beta7 and lower, 3.7.1 and lower, 2.12.4 and lower. Specially crafted requests can be used to access files that exists on the filesystem that is outside an application's root directory, when the Sprockets server is used in production. All users running an affected release should either upgrade or use one of the work arounds immediately.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ruby-sprockets Ubuntu 18.04.6 LTS (bionic) | 3.7.0-1+deb9u1build0.18.04.1 | [ruby-sprockets 3.7.0-1+deb9u1build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ruby-sprockets-3.7.0-1-deb9u1build0.18.04.1.md) | Jun 26, 2018 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo