GHSA-37CH-88JC-XWX2 path-to-regexp vulnerable to Regular Expression Denial of Service via multiple route parameters

Impact A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period .. For example, /:a-:b-:c or /:a-:b-:c-:d. The backtrack protection added in [email protected] only prevents ambiguity for two parameter...

CVE-2026-4867

A flaw was found in path-to-regexp. A remote attacker could exploit this vulnerability by crafting a malicious URL with three or more parameters in a single segment, separated by non-period characters. This causes the component to generate a bad regular expression, leading to catastrophic...

CVE-2026-4867 path-to-regexp vulnerable to Regular Expression Denial of Service via multiple route parameters

Impact: A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period .. For example, /:a-:b-:c or /:a-:b-:c-:d. The backtrack protection added in [email protected] only prevents ambiguity for two...

CVE-2026-4867 path-to-regexp vulnerable to Regular Expression Denial of Service via multiple route parameters

Impact: A bad regular expression is generated any time you have three or more parameters within a single segment, separated by something that is not a period .. For example, /:a-:b-:c or /:a-:b-:c-:d. The backtrack protection added in [email protected] only prevents ambiguity for two...

PT-2024-31549

Name of the Vulnerable Software and Affected Versions path-to-regexp versions prior to 0.1.10 path-to-regexp versions prior to 8.0.0 Description The issue arises when path-to-regexp generates a regular expression that can cause poor performance, leading to a Denial of Service DoS. This occurs whe...