CVE-2026-105829: league/commonmark: DisallowedRawHtml bypassed when a disallowed tag name ends the raw-HTML literal

medium Affects league/commonmark. Feed 2026.10.29.3, updated 2026-10-29; published 2026-09-30; advisory modified 2026-10-09.

league/commonmark: DisallowedRawHtml bypassed when a disallowed tag name ends the raw-HTML literal

Package: league/commonmark Composer
Affected versions: >=1.3.0 and <2.10.2
Fixed in: 2.10.2
Severity: medium CVSS 6.1
Exploitation: not on CISA KEV · EPSS 0% (16.4th percentile)
Published: 2026-09-30
Source: osv.dev

References

CWE-78 CWE-79

NVD record league/commonmark advisories

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