SB2025040314 - Information disclosure in Next.js
Published: April 3, 2025
Security Bulletin ID
SB2025040314
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2025-30218)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to software may leak the "x-middleware-subrequest-id" to a third party. A remote attacker with control over the third-party server can obtain the header value and use it to bypass authentication.
Remediation
Install update from vendor's website.