CVE-2026-35611

A flaw was found in Addressable. This vulnerability allows a remote attacker to cause a Denial of Service DoS by providing a maliciously crafted Uniform Resource Identifier URI to the URI template implementation. Specifically, certain URI templates using the explode modifier or multiple variables...

Addressable has a Regular Expression Denial of Service in Addressable templates

Impact Within the URI template implementation in Addressable, two classes of URI template generate regular expressions vulnerable to catastrophic backtracking: 1. Templates using the explode modifier with any expansion operator e.g., foo, +var, var, /var, .var, ;var, ?var, &var generate patterns...

GHSA-H27X-RFFW-24P4 Addressable has a Regular Expression Denial of Service in Addressable templates

Impact Within the URI template implementation in Addressable, two classes of URI template generate regular expressions vulnerable to catastrophic backtracking: 1. Templates using the explode modifier with any expansion operator e.g., foo, +var, var, /var, .var, ;var, ?var, &var generate patterns...

EUVD-2026-19788

Addressable has a Regular Expression Denial of Service in Addressable templates...

Addressable has a Regular Expression Denial of Service in Addressable templates

Impact Within the URI template implementation in Addressable, two classes of URI template generate regular expressions vulnerable to catastrophic backtracking: 1. Templates using the explode modifier with any expansion operator e.g., foo, +var, var, /var, .var, ;var, ?var, &var generate patterns...

CVE-2026-35611

Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. From 2.3.0 to before 2.9.0, within the URI template implementation in Addressable, two classes of URI template generate regular expressions vulnerable to catastrophic backtracking...

PT-2026-30910

Name of the Vulnerable Software and Affected Versions Addressable versions 2.3.0 through 2.8.9 Description Addressable, an alternative URI implementation for Ruby, contains a flaw in its URI template implementation. Templates utilizing the '' explode modifier with any expansion operator e.g., foo...