Input validation error in next-auth - #VU138945

 

Input validation error in next-auth - #VU138945

Published: July 21, 2026


Vulnerability identifier: #VU138945
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: NextAuth.js
Affected software:
next-auth

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to improper input validation in the email sign-in flow when processing email-based authentication requests. A remote user can submit a crafted email sign-in request to disclose sensitive information.


Remediation

Install security update from vendor's website.

Sources