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CVE-2026-115349 Mistune 3.0.0 before 3.3.0 Denial of Service via Nested Bracket Parsing

🗓️ 22 Oct 2026 19:13:26Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Algorithmic complexity DoS in Mistune parse_link_text via nested square brackets.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-115349
22 Oct 202619:13
–cve
euvd
EUVD
EUVD-2026-108418
22 Oct 202621:32
–euvd
nvd
NVD
CVE-2026-115349
22 Oct 202619:17
–nvd
[
  {
    "vendor": "lepture",
    "product": "mistune",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/mistune",
    "versions": [
      {
        "version": "3.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "3.3.0"
      },
      {
        "version": "3.3.0",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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