Packagist
league/commonmark
Highly-extensible PHP Markdown parser which fully supports the CommonMark spec and GitHub-Flavored Markdown (GFM)
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Security
12 known advisories
From the Open Source Vulnerabilities (OSV) database — most recent: GHSA-29pj-957v-52mc. Check the advisory before using this version in production.
Sourced from Packagist · Updated September 6, 2026
Package metadata from Packagist, the PHP/Composer package repository.
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Common questions
What is league/commonmark?
Highly-extensible PHP Markdown parser which fully supports the CommonMark spec and GitHub-Flavored Markdown (GFM)
Is league/commonmark safe to use?
league/commonmark has 12 known advisories in the OSV database — check before using this version in production.
What license does league/commonmark use?
league/commonmark does not specify a license.