UNKNOWN RubyGems
Rails Active Support has a possible ReDoS vulnerability in number_to_delimited
GHSA-cg4j-q9v8-6v38 · CVE-2026-33169
Published · Modified
AI SAST
Find this class of vulnerability in your own code
Corgea's AI-native static analysis detects vulnerabilities like this one across your repositories, ranks them by exploitability, and returns review-ready fixes.
Description
Impact
NumberToDelimitedConverter used a regular expression with gsub! to insert thousands delimiters. This could produce quadratic time complexity on long digit strings.
Releases
The fixed releases are available at the normal locations.
Credit
This issue was responsibly reported by Hackerone researcher scyoon.
References
- WEB https://github.com/rails/rails/security/advisories/GHSA-cg4j-q9v8-6v38
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-33169
- WEB https://github.com/rails/rails/commit/29154f1097da13d48fdb3200760b3e3da66dcb11
- WEB https://github.com/rails/rails/commit/b54a4b373c6f042cab6ee2033246b1c9ecc38974
- WEB https://github.com/rails/rails/commit/ec1a0e215efd27a3b3911aae6df978a80f456a49
- PACKAGE https://github.com/rails/rails
- WEB https://github.com/rails/rails/releases/tag/v7.2.3.1
- WEB https://github.com/rails/rails/releases/tag/v8.0.4.1
- WEB https://github.com/rails/rails/releases/tag/v8.1.2.1
- WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2026-33169.yml
Ready to move
Start Securing
Free, no credit card | First findings in minutes