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...

EUVD-2026-19788

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

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...

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...

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...