Base weakness
Deprecated
CWE-443: DEPRECATED: HTTP response splitting
This weakness can be found at CWE-113.
1
Recorded CVEs
With this primary weakness
0
KEVs
In the CISA KEV catalog
Not rated
Likelihood of exploit
Per MITRE
Base
Abstraction
MITRE classification
Overview
CWE-443 (DEPRECATED: HTTP response splitting) is a base-level software weakness catalogued by MITRE in the Common Weakness Enumeration (CWE). It describes a recurring type of mistake that can lead to exploitable security vulnerabilities.
Real-world CVEs
1 recorded CVEs are caused by CWE-443 (DEPRECATED: HTTP response splitting). The highest-severity and most recent are shown first. 1 new CWE-443 CVE has been recorded so far in 2026.