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**.
References
| Link | Resource |
|---|---|
| https://nodejs.org/en/blog/vulnerability/june-2026-security-releases | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/07/02/2 | |
| https://github.com/nodejs/node/issues/63989 | Exploit Issue Tracking Third Party Advisory |
| https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke | Third Party Advisory |
Configurations
Configuration 1 (hide)
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History
03 Jul 2026, 01:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
30 Jun 2026, 17:56
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://nodejs.org/en/blog/vulnerability/june-2026-security-releases - Vendor Advisory | |
| References | () https://github.com/nodejs/node/issues/63989 - Exploit, Issue Tracking, Third Party Advisory | |
| References | () https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke - Third Party Advisory | |
| First Time |
Nodejs
Nodejs node.js |
|
| CPE | cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:* cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:* cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:* |
22 Jun 2026, 23:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
22 Jun 2026, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-06-22 20:16
Updated : 2026-07-03 01:16
NVD link : CVE-2026-48931
Mitre link : CVE-2026-48931
CVE.ORG link : CVE-2026-48931
JSON object : View
Products Affected
nodejs
- node.js
CWE
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition