CVE-2026-33306
1 advisory.
RubyGems/bcrypt CVE-2026-33306: medium, EPSS 0.27%
bcrypt-ruby has an Integer Overflow that Causes Zero Key-Strengthening Iterations at Cost=31 on JRuby
Action: Upgrade bcrypt to 3.1.22 or later.
bundle update bcryptAffected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.1.22 | - |
Fixed versions
| 3.1.22 |
Sources
- osv: GHSA-f27w-vcwj-c954
- https://github.com/bcrypt-ruby/bcrypt-ruby/security/advisories/GHSA-f27w-vcwj-c954
- https://nvd.nist.gov/vuln/detail/CVE-2026-33306
- https://github.com/bcrypt-ruby/bcrypt-ruby/commit/831ce64cb0a9502130fa93a28bfd9527a5fa45c4
- https://github.com/bcrypt-ruby/bcrypt-ruby
- https://github.com/bcrypt-ruby/bcrypt-ruby/releases/tag/v3.1.22
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bcrypt/CVE-2026-33306.yml
CVE-2026-33306 · published · modified · JSON