Which products and versions are affected by CVE-2016-0752?

Affected: Software Collections (Redhat) versions 1.0; Rails (Rubyonrails) versions 5.0.0-beta1; Debian Linux versions 8.0, among others. The full list is in the CVE brief.

Is CVE-2016-0752 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2019.

Is CVE-2016-0752 in the CISA KEV catalog?

Yes. It was added on Mar 25, 2022 with a federal remediation due date of Apr 15, 2022.

Is there a public exploit for CVE-2016-0752?

Public exploit code is available.

Is there a fix for CVE-2016-0752?

Fixed versions are available, including actionpack 3.2.22.1, actionpack 4.1.14.1, actionpack 4.2.5.1.

How urgently should CVE-2016-0752 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2016-0752

HighExploitedPublic exploit

Directory traversal vulnerability in Action View in Ruby on Rails

Published Oct 24, 2017 · Updated Sep 9, 2026 · Also known as DEBIAN-CVE-2016-0752, GHSA-xrr4-p6fq-hjg7, SUSE-SU-2016:0456-1, SUSE-SU-2016:0599-1, UBUNTU-CVE-2016-0752

Key Facts

Patch immediately

CVE-2016-0752 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Software Collections (Redhat), Rails (Rubyonrails), Debian Linux and 22 more products.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2019. Public exploit code is available.
EPSS estimates a 96% probability of exploitation in the next 30 days.
Fixed versions are available, including actionpack 3.2.22.1, actionpack 4.1.14.1, actionpack 4.2.5.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

96%

Higher than 99.8% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2016-0752 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Mar 25, 2022	Apr 15, 2022	Not reported
Industry KEV feed	Dec 17, 2019	Apr 15, 2022	Not reported
CIRCL KEV	Mar 25, 2022	Apr 15, 2022	Not reported
ENISA EUVD	Mar 25, 2022	n/a	Not reported

Required action: Apply updates per vendor instructions.

Affected Products

114 affected entries in total

Product	Affected versions	Fixed in
Software CollectionsRedhat	1.0	n/a
RailsRubyonrails	5.0.0-beta1	3.2.22.1
Debian LinuxDebian	8.0	n/a
LeapOpensuse	42.1	n/a
OpensuseOpensuse	13.2	n/a

20 more affected products in the full CVE brief

Patched Releases

actionpack

3.2.22.1, 4.1.14.1, 4.2.5.1

actionview

4.1.14.1, 4.2.5.1

libcontainment-insomnia

0.1.1-0.9.4.19

libjansson

2.2.1-0.9.11.6

libjansson4

2.2.1-0.9.11.6

portus

2.0.3-2.4

qemu-ext2

0.1.1-0.9.4.19

Rails

2:4.1.8-1+deb8u1, 2:4.2.5.1-1, 3.2.22.1

rh-ror41-rubygem-actionpack

1:4.1.5-3.el6, 1:4.1.5-3.el7

rh-ror41-rubygem-actionview

0:4.1.5-4.el6, 0:4.1.5-4.el7

rh-ror41-rubygem-activemodel

0:4.1.5-2.el6, 0:4.1.5-2.el7

rh-ror41-rubygem-activerecord

1:4.1.5-2.el6, 1:4.1.5-2.el7

rh-ror41-rubygem-activesupport

1:4.1.5-3.el6, 1:4.1.5-3.el7

ror40-rubygem-actionpack

1:4.0.2-7.el6, 1:4.0.2-7.el7

ror40-rubygem-activerecord

1:4.0.2-6.el6, 1:4.0.2-6.el7

ror40-rubygem-activesupport

1:4.0.2-4.el6, 1:4.0.2-4.el7

ruby-actionpack-3.2

3.2.6-6+deb7u3

ruby193-rubygem-actionpack

1:3.2.8-16.el6, 1:3.2.8-16.el7

ruby193-rubygem-activerecord

1:3.2.8-11.el6, 1:3.2.8-11.el7

ruby193-rubygem-activesupport

1:3.2.8-6.el6, 1:3.2.8-6.el7

ruby2.1-rubygem-actionpack-4_1

4.1.9-9.1

ruby2.1-rubygem-actionpack-4_2

4.2.2-6.1, 4.2.4-6.1

ruby2.1-rubygem-actionpack-doc-4_2

4.2.4-6.1

ruby2.1-rubygem-actionview-4_1

4.1.9-9.1

ruby2.1-rubygem-actionview-4_2

4.2.2-5.1, 4.2.4-6.1

Timeline

Publicly disclosed
Oct 24, 2017
Added to Industry KEV feed
Dec 17, 2019
Added to CISA KEV
Mar 25, 2022
Added to CIRCL KEV
Mar 25, 2022
Added to ENISA EUVD
Mar 25, 2022
Last updated
Sep 9, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

advisoryRHSA-2016:0296
advisoryRHSA-2016:0454
advisoryRHSA-2016:0455
advisoryhttps://bugzilla.suse.com/870697
advisoryhttps://bugzilla.suse.com/887489

15 more references in the full CVE brief

FAQ

Common Questions.

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a ..
Affected: Software Collections (Redhat) versions 1.0; Rails (Rubyonrails) versions 5.0.0-beta1; Debian Linux versions 8.0, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Dec 17, 2019.
Yes. It was added on Mar 25, 2022 with a federal remediation due date of Apr 15, 2022.
Public exploit code is available.
Fixed versions are available, including actionpack 3.2.22.1, actionpack 4.1.14.1, actionpack 4.2.5.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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