CVE-2026-48934: A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: **Node.js 22**, **Node.
A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.
This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-48934
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-489340.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-48934 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [high] Node.js: Multiple vulnerabilitiescert-bund
- unknownNode.js Multiple Vulnerabilitieshkcert
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