CVE-2026-48931
Published:June 22, 2026
Updated:June 29, 2026
A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.
Affected Packages
https://github.com/nodejs/node.git (GITHUB):
Affected version(s) >=v22.0.0 <v22.23.0Fix Suggestion:
Update to version v22.23.0https://github.com/nodejs/node.git (GITHUB):
Affected version(s) >=v26.0.0 <v26.3.1Fix Suggestion:
Update to version v26.3.1https://github.com/nodejs/node.git (GITHUB):
Affected version(s) >=v24.0.0 <v24.17.0Fix Suggestion:
Update to version v24.17.0Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Time-of-check Time-of-use (TOCTOU) Race Condition
EPSS
Base Score:
0.34