CVE-2024-52798: Pillarjs Path-To-Regexp

High severity, CVSS 7.7. EPSS: 0.8% chance of exploitation in the next 30 days.

path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. The regular expression that is vulnerable to backtracking can be generated in the 0.1.x release of path-to-regexp. Upgrade to 0.1.12. This vulnerability exists because of an incomplete fix for CVE-2024-45296.

Affected products

• Pillarjs Path-To-Regexp: before 0.1.12 (fixed in 0.1.12)

Published 2024-12-05. Last modified 2026-06-17.