GHSA-J8PM-GJ4C-RQ4X: Denial of service via crafted code fences, reference links, and emphasis delimiters · Advisory · thephpleague/commonmark · GitHub

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PublisherGitHub

Article IDGHSA-J8PM-GJ4C-RQ4X

Verified snapshot27 Sept 2026, 08:30 UTC

Linked CVEs1

Linked CVE reports

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CVE-2026-86430league/commonmark before 2.9.1 Denial of Service via parsing

Source and provenance

Original title: Denial of service via crafted code fences, reference links, and emphasis delimiters · Advisory · thephpleague/commonmark · GitHub. Captured 27 Sept 2026, 08:30 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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