CVE-2026-86429 | thephpleague commonmark up to 2.9.0 SmartPunctExtension/AttributesExtension resource consumption

A vulnerability was found in thephpleague commonmark up to 2.9.0. It has been rated as problematic. The affected element is an unknown function of the component SmartPunctExtension/AttributesExtension. The manipulation leads to resource consumption.

This vulnerability is documented as CVE-2026-86429. The attack can be initiated remotely. There is not any exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More