What is CVE-2018-3760?

CVE-2018-3760 is a high-severity vulnerability in HackerOne Sprockets, classified under Path Traversal. CVSS score: 7.5/10. Published 2018-06-26.

How severe is CVE-2018-3760?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2018-3760 known to be exploited?

42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in HackerOne Sprockets

CVE-2018-3760

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2018-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.267 (98.0th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.267 · newest: 0.267 · change: 0.000

Affected products

HackerOne Sprockets — versions 4.0.0.beta8, 3.7.2, 2.12.5
Sprockets Project — versions 4.0.0
Debian Linux — versions 9.0
Red Hat Cloudforms — versions 4.5, 4.6
Red Hat Enterprise Linux — versions 6.0, 6.7, 7.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

github.com/rails/sprockets/commit/c09131cf5b2c479263939c8582e22b98ed616c5fhttps… (Broken Link)
access.redhat.com/errata/RHSA-2018:2745 (vendor-advisory, Third Party Advisory)
groups.google.com/d/msg/rubyonrails-security/ft_J--l55fM/7roDfQ50BwAJ (Patch, Third Party Advisory)
access.redhat.com/errata/RHSA-2018:2244 (vendor-advisory, Third Party Advisory)
access.redhat.com/errata/RHSA-2018:2561 (vendor-advisory, Third Party Advisory)
access.redhat.com/errata/RHSA-2018:2245 (vendor-advisory, Third Party Advisory)
www.debian.org/security/2018/dsa-4242 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-3760?: CVE-2018-3760 is a high-severity vulnerability in HackerOne Sprockets, classified under Path Traversal. CVSS score: 7.5/10. Published 2018-06-26.
How severe is CVE-2018-3760?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-3760 known to be exploited?: 42 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.