{"action":"Upgrade league/commonmark to 2.10.2 or later.","affected":[{"fixed":"2.10.2","introduced":"2.0.0"}],"component":"league/commonmark","cve_ids":["CVE-2026-105830"],"ecosystem":"Packagist","epss":0.00368,"exploited":false,"fixed_versions":["2.10.2"],"ghsa_id":"GHSA-3q6v-r5mr-hxv8","id":"tcs_01M5KET7896NVVXMBMDRJZ6WKS","modified_at":"2026-10-09T02:56:07.813643942Z","published_at":"2026-09-30T15:36:13Z","references":["https://osv.dev/vulnerability/GHSA-3q6v-r5mr-hxv8","https://github.com/thephpleague/commonmark/security/advisories/GHSA-3q6v-r5mr-hxv8","https://github.com/thephpleague/commonmark/commit/5f63680a5e29dd57f9c6be9743b0e90493d3c2d0","https://github.com/thephpleague/commonmark","https://github.com/thephpleague/commonmark/releases/tag/2.10.2"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-3q6v-r5mr-hxv8","url":"https://osv.dev/vulnerability/GHSA-3q6v-r5mr-hxv8"}],"summary":"league/commonmark: Quadratic-time denial of service in the GitHub Flavored Markdown Table extension block-start scan"}