CVE-2026-486187.7HighCWE-176
nodejs node vulnerability
nodejs · node
Not in CISA KEVVendor fix available
3.1%probability of exploitation in the next 30 days
87th percentile
050100
Higher than 87% of scored CVEs
7.7HighCVSS 3.0
LowMediumHighCrit.
DescriptionNVD
A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.
Coverage1 article · 1 outlet
First in our coverage: SecurityOnline, 18 Jun.
- Node.js fixes critical WebCrypto TLS flaws in urgent updateSecurityOnline · first in our coverage · mentions it in passing
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