CVE-2024-26142

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.

• CWE-1333
• CWE-1333

• https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946Vendor Advisory
• https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272Patch
• https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wqVendor Advisory
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.ymlThird Party Advisory
• https://security.netapp.com/advisory/ntap-20240503-0003/Third Party Advisory
• https://discuss.rubyonrails.org/t/possible-redos-vulnerability-in-accept-header-parsing-in-action-dispatch/84946Vendor Advisory
• https://github.com/rails/rails/commit/b4d3bfb5ed8a5b5a90aad3a3b28860c7a931e272Patch
• https://github.com/rails/rails/security/advisories/GHSA-jjhx-jhvp-74wqVendor Advisory
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2024-26142.ymlThird Party Advisory
• https://security.netapp.com/advisory/ntap-20240503-0003/Third Party Advisory

Published

Feb 27, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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