{"cve":"CVE-2024-26142","nvd":{"published":"2024-02-27T16:15:46.600","modified":"2026-06-17T07:17:11.210","status":"Analyzed","description":"Rails is a web-application framework. Starting in version 7.1.0, there is a possible ReDoS vulnerability in the Accept header parsing routines of Action Dispatch. This vulnerability is patched in 7.1.3.1. Ruby 3.2 has mitigations for this problem, so Rails applications using Ruby 3.2 or newer are unaffected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946","https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272","https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wq","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.yml","https://security.netapp.com/advisory/ntap-20240503-0003/"],"products":["rubyonrails:rails"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2024-26142","score":0.01498,"percentile":0.74239,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jjhx-jhvp-74wq","url":"https://osv.dev/vulnerability/GHSA-jjhx-jhvp-74wq","summary":"Rails has possible ReDoS vulnerability in Accept header parsing in Action Dispatch","modified":"2026-09-10T03:50:06.210253018Z","packages":[{"ecosystem":"RubyGems","name":"actionpack","purl":"pkg:gem/actionpack","ranges":[">=7.1.0 <7.1.3.1"],"fixed":["7.1.3.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}