What’s Vulnerable › Vulnerabilities

CVE-2026-48931

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-22 · updated 2026-10-25
• Weakness: CWE-367

Description

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 products

• Node.js: 22.22.3, 24.16.0, 26.3.0

References

• https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
• http://www.openwall.com/lists/oss-security/2026/07/02/2
• https://github.com/nodejs/node/issues/63989
• https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke

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