Authentication Bypass by Primary Weakness Affecting nodejs/node package, versions [22.0.0, 22.23.2)[24.0.0, 24.18.1)[26.0.0, 26.5.1)
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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Test your applications- Snyk IDSNYK-UNMANAGED-NODEJSNODE-18506947
- published2 Aug 2026
- disclosed30 Jul 2026
- credityottt
Introduced: 30 Jul 2026
NewCVE-2026-56850 (opens in a new tab)How to fix?
Upgrade nodejs/node to version 22.23.2, 24.18.1, 26.5.1 or higher.
Overview
Affected versions of this package are vulnerable to Authentication Bypass by Primary Weakness in the HTTPS Agent. An attacker can impersonate a client by exploiting PFX object-array key collisions, which may result in mutual TLS client identities being reused across requests configured with different client certificates.