What is CVE-2026-49851?

CVE-2026-49851 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Mistune: Potential DoS via quadratic-time parsing in parse_link_text

Which CVE IDs does CVE-2026-49851 cover?

CVE-2026-49851 covers the following CVE IDs: CVE-2026-49851. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2026-49851High

Mistune: Potential DoS via quadratic-time parsing in parse_link_text

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-49851 →