CVE-2026-48928
Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 26, 2026
Updated · October 19, 2026
Description
A flaw was found in Node.js. An inconsistency in how Node.js matches hostnames can be exploited by a remote attacker in multi-context mTLS (mutual Transport Layer Security) setups. This vulnerability allows for a trust-policy bypass, potentially leading to unauthorized access to sensitive information or integrity compromise within the affected system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE-289 · Authentication Bypass by Alternate Name