CVE-2026-105830 | PHP League CommonMark up to 2.10.1 GitHub Flavored Markdown Table Extension tryStart denial of service

October 8, 2026 Yanac

A vulnerability classified as problematic was found in PHP League CommonMark up to 2.10.1. This issue affects the function TableStartParser::tryStart of the component GitHub Flavored Markdown Table Extension. Executing a manipulation can lead to denial of service.

This vulnerability appears as CVE-2026-105830. The attack may be performed from remote. There is no available exploit.

Upgrading the affected component is advised.VulDB Recent EntriesRead More