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Vulnerability record · CVE-2015-7581 · published 16 February 2016

CVE-2015-7581: Rubyonrails rails vulnerability

Rubyonrails · Rails

actionpack/lib/action_dispatch/routing/route_set.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.0.0.beta1.1 allows remote attackers to cause a denial of service (superfluous caching and memory consumption) by leveraging an application's use of a wildcard controller route.

7.5 CVSS 3.0 High EPSS 6.7% · top 6.3% CWE-399 · CWE-399
7.5CVSS 3.0 base score, v2 5.0
6.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

Description

actionpack/lib/action_dispatch/routing/route_set.rb in Action Pack in Ruby on Rails 4.x before 4.2.5.1 and 5.x before 5.0.0.beta1.1 allows remote attackers to cause a denial of service (superfluous caching and memory consumption) by leveraging an application's use of a wildcard controller route.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
http://rhn.redhat.com/errata/RHSA-2016-0296.html
http://www.debian.org/security/2016/dsa-3464
http://www.openwall.com/lists/oss-security/2016/01/25/16
http://www.securityfocus.com/bid/81677
http://www.securitytracker.com/id/1034816
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/dthJ5wL69JE/IdvCimtZEgAJ
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html
http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html
http://rhn.redhat.com/errata/RHSA-2016-0296.html
http://www.debian.org/security/2016/dsa-3464
http://www.openwall.com/lists/oss-security/2016/01/25/16
http://www.securityfocus.com/bid/81677
http://www.securitytracker.com/id/1034816
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/dthJ5wL69JE/IdvCimtZEgAJ

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-7581), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.