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CVE-2026-33347 league/commonmark has an embed extension allowed_domains bypass

🗓️ 24 Mar 2026 19:26:23Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

CVE-2026-33347: League CommonMark embed extension allowlist bypass via domain regex; fixed in 2.8.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33347
24 Mar 202619:26
attackerkb
Circl
CVE-2026-33347
24 Mar 202619:16
circl
CNNVD
commonmark 代码问题漏洞
24 Mar 202600:00
cnnvd
CVE
CVE-2026-33347
24 Mar 202619:26
cve
Debian CVE
CVE-2026-33347
24 Mar 202619:26
debiancve
EUVD
EUVD-2026-14016
26 Mar 202613:23
euvd
Github Security Blog
league/commonmark has an embed extension allowed_domains bypass
19 Mar 202619:04
github
NVD
CVE-2026-33347
24 Mar 202620:16
nvd
OSV
CVE-2026-33347 league/commonmark has an embed extension allowed_domains bypass
24 Mar 202619:26
osv
OSV
DEBIAN-CVE-2026-33347
24 Mar 202620:16
osv
Rows per page
[
  {
    "vendor": "thephpleague",
    "product": "commonmark",
    "versions": [
      {
        "version": ">= 2.3.0, < 2.8.2",
        "status": "affected"
      }
    ]
  }
]

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