CVE-2026-48931
nodejs: Node.js HTTP Agent: Information disclosure due to premature response acceptance
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 23, 2026
Updated · October 19, 2026
Description
A flaw was found in Node.js HTTP Agent. This vulnerability allows a client to accept a server response as valid even before the client has sent its request. This can lead to unexpected behavior and potentially information disclosure.
Statement
This is a Low impact flaw in the Node.js HTTP Agent where a client may prematurely accept and process an HTTP response before its corresponding request has been fully sent. This could lead to a client misinterpreting data or entering an unexpected state. Exploitation requires high attack complexity, limiting the practical risk in most Red Hat deployments.
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
Limit outbound HTTP/1.1 from Node.js clients to trusted backend endpoints with egress firewall rules or network segmentation. Avoid keep-alive connection pools to untrusted hosts where operationally feasible.
CVSS / CWE
CVSS 3.1 · 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition