# devise (RubyGems) vulnerabilities

6 known vulnerabilities (1 high, 2 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://rubygems.org/gems/devise

## Advisories (6)

### [CVE-2026-40295](https://cve.now/CVE-2026-40295): Devise: Open Redirect via Unvalidated \`request.referrer\` in Timeoutable Session Timeout Handler

- Severity: Medium 6.1
- Published: May 22, 2026
- Affected: fixed in 5.0.4.

### [CVE-2026-32700](https://cve.now/CVE-2026-32700): Devise has a confirmable "change email" race condition that permits user to confirm email they have no access to

- Severity: Medium 6.0
- Published: Mar 18, 2026
- Affected: fixed in 5.0.3.

### [CVE-2015-8314](https://cve.now/CVE-2015-8314): The Devise gem before 3.5.4 for Ruby mishandles Remember Me cookies for sessions, which may allow an adversary to obtain unauthorized…

- Severity: High 7.5
- Published: Dec 12, 2023
- Affected: fixed in 3.5.4.

### [CVE-2019-16109](https://cve.now/CVE-2019-16109): An issue was discovered in Plataformatec Devise before 4.7.1.

- Severity: Unrated
- Published: Sep 8, 2019
- Affected: fixed in 4.7.1.

### [CVE-2019-5421](https://cve.now/CVE-2019-5421): Plataformatec Devise version 4.5.0 and earlier, using the lockable module contains a CWE-367 vulnerability in The…

- Severity: Unrated
- Published: Apr 3, 2019
- Affected: fixed in 4.6.0.

### [CVE-2013-0233](https://cve.now/CVE-2013-0233): Devise gem 2.2.x before 2.2.3, 2.1.x before 2.1.3, 2.0.x before 2.0.5, and 1.5.x before 1.5.4 for Ruby, when using certain databases, does…

- Severity: Unrated
- Published: Apr 25, 2013
- Affected: from 2.2.0, fixed in 2.2.3; from 2.1.0, fixed in 2.1.3; from 2.0.0, fixed in 2.0.5; from 1.5.0, fixed in 1.5.4.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/rubygems/devise
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.