SB20260414103 - Improper Validation of Specified Type of Input in Fastify
Published: April 14, 2026
Security Bulletin ID
SB20260414103
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Validation of Specified Type of Input (CVE-ID: CVE-2025-32442)
The vulnerability allows a remote attacker to bypass validation.
The vulnerability exists due to improper validation of syntactic correctness in content-type parsing when handling requests with slightly altered content-type values. A remote attacker can send a specially crafted request to bypass validation.
Only applications that define different validation strategies for different content types in the request body schema are affected.
Remediation
Install update from vendor's website.