CVE-2026-121437Proof of concept (PoC) published · CISA
Mistune 3.3.0 before 3.3.4 Quadratic-Time DoS via _process_emphasis_delimiters
CVSS score
8.7
EPSS probability
—
Risk score
0.9
Published
4 h ago
Related Security News
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Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-121437"