Devise-Two-Factor vulnerable to brute force attacks

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS No score.

Timeline

1. 31 Oct 2026, 15:16 UTC First seen by agentprime
2. 31 Oct 2026, 15:16 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-chcr-x7hc-8fp8
• OSV: GHSA-chcr-x7hc-8fp8
• github.com/devise-two-factor/devise-two-factor/security/advisories/GHSA-chcr-x7hc-8fp8
• nvd.nist.gov/vuln/detail/CVE-2024-0227
• github.com/devise-two-factor/devise-two-factor
• github.com/rubysec/ruby-advisory-db/blob/master/gems/devise-two-factor/CVE-2024-0227.yml

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.