# devise (RubyGems) vulnerabilities Source: https://junglewise.ai/threats/technologies/rubygems-devise Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/rubygems-devise.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in devise (RubyGems): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-40295, was published on 22 May 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 6 (0 critical, 0 exploited in the wild) ## About devise (RubyGems) Ruby gem providing flexible authentication solution for Rails applications. ## Latest devise (RubyGems) vulnerabilities - [CVE-2026-40295: heartcombo Devise open redirect in Timeoutable session handler](https://junglewise.ai/threats/cve-2026-40295-heartcombo-devise-open-redirect-in-timeoutable-session-handler) (medium, CVSS 6.1, published 22 May 2026) - [CVE-2026-32700: Devise has a confirmable "change email" race condition permits user to confirm email they have no access to](https://junglewise.ai/threats/cve-2026-32700-devise-has-a-confirmable-change-email-race-condition-permits-user) (low, CVSS 3.1, published 17 Mar 2026) - [CVE-2015-8314: Devise Gem for Ruby Unauthorized Access Using "Remember Me" Cookie](https://junglewise.ai/threats/cve-2015-8314-devise-gem-for-ruby-unauthorized-access-using-remember-me-cookie) (low, CVSS 3.1, published 26 Jan 2023) - [CVE-2019-16109: Authentication Bypass in Devise](https://junglewise.ai/threats/cve-2019-16109-authentication-bypass-in-devise) (low, CVSS 3.1, published 11 Sep 2019) - [CVE-2019-5421: devise Time-of-check Time-of-use Race Condition vulnerability](https://junglewise.ai/threats/cve-2019-5421-devise-time-of-check-time-of-use-race-condition-vulnerability) (info, published 19 Mar 2019) - [CVE-2013-0233: Devise does not properly perform type conversion when performing database queries](https://junglewise.ai/threats/cve-2013-0233-devise-does-not-properly-perform-type-conversion-when-performing) (info, published 24 Oct 2017) ## Most severe devise (RubyGems) vulnerabilities - [CVE-2026-40295: heartcombo Devise open redirect in Timeoutable session handler](https://junglewise.ai/threats/cve-2026-40295-heartcombo-devise-open-redirect-in-timeoutable-session-handler) (medium, CVSS 6.1, published 22 May 2026) - [CVE-2019-16109: Authentication Bypass in Devise](https://junglewise.ai/threats/cve-2019-16109-authentication-bypass-in-devise) (low, CVSS 3.1, published 11 Sep 2019) - [CVE-2015-8314: Devise Gem for Ruby Unauthorized Access Using "Remember Me" Cookie](https://junglewise.ai/threats/cve-2015-8314-devise-gem-for-ruby-unauthorized-access-using-remember-me-cookie) (low, CVSS 3.1, published 26 Jan 2023) - [CVE-2026-32700: Devise has a confirmable "change email" race condition permits user to confirm email they have no access to](https://junglewise.ai/threats/cve-2026-32700-devise-has-a-confirmable-change-email-race-condition-permits-user) (low, CVSS 3.1, published 17 Mar 2026) - [CVE-2013-0233: Devise does not properly perform type conversion when performing database queries](https://junglewise.ai/threats/cve-2013-0233-devise-does-not-properly-perform-type-conversion-when-performing) (info, published 24 Oct 2017) - [CVE-2019-5421: devise Time-of-check Time-of-use Race Condition vulnerability](https://junglewise.ai/threats/cve-2019-5421-devise-time-of-check-time-of-use-race-condition-vulnerability) (info, published 19 Mar 2019) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other RubyGems technologies - [actionpack (RubyGems)](https://junglewise.ai/threats/technologies/actionpack): 77 vulnerabilities - [nokogiri (RubyGems)](https://junglewise.ai/threats/technologies/nokogiri): 69 vulnerabilities - [rack (RubyGems)](https://junglewise.ai/threats/technologies/rack): 55 vulnerabilities - [activerecord (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-activerecord): 26 vulnerabilities - [rubygems-update (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-update): 25 vulnerabilities - [puppet (RubyGems)](https://junglewise.ai/threats/technologies/puppet): 23 vulnerabilities - [activesupport (RubyGems)](https://junglewise.ai/threats/technologies/activesupport): 20 vulnerabilities - [actionview (RubyGems)](https://junglewise.ai/threats/technologies/actionview): 19 vulnerabilities - [activestorage (RubyGems)](https://junglewise.ai/threats/technologies/activestorage): 19 vulnerabilities - [camaleon_cms (RubyGems)](https://junglewise.ai/threats/technologies/camaleon-cms): 19 vulnerabilities - [rails-html-sanitizer (RubyGems)](https://junglewise.ai/threats/technologies/rails-html-sanitizer): 18 vulnerabilities - [loofah (RubyGems)](https://junglewise.ai/threats/technologies/loofah): 17 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "devise (RubyGems) vulnerabilities", https://junglewise.ai/threats/technologies/rubygems-devise, 13 November 2026.