Improper Authentication Affecting nodejs package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Nov 2026
- disclosed11 Nov 2026
- creditpimterry
Introduced: 11 Nov 2026
NewCVE-2026-123872 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Authentication due to the handling of TLS 1.2 renegotiation, which lets the client change the servername on an established connection while keeping its existing client certificate authentication. An attacker can access a host protected by a stricter client-certificate policy by authenticating for a permitted host and then renegotiating the connection under the protected host's servername. Only TLS servers that apply different client-certificate policies per hostname and serve TLS 1.2 connections are affected.