CWE-1108: Excessive Reliance on Global Variables
The code is structured in a way that relies too much on using or setting global variables throughout various points in the code, instead of preserving the associated information in a narrower, more local context.
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Overview
CWE-1108 (Excessive Reliance on Global Variables) 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
2 recorded CVEs are caused by CWE-1108 (Excessive Reliance on Global Variables). The highest-severity and most recent are shown first. 1 new CWE-1108 CVE has been recorded so far in 2026.
Common consequences
What can happen when CWE-1108 is exploited.
Reduce Maintainability, Increase Analytical Complexity
Affects: Other
This issue makes it more difficult to maintain the product, which indirectly affects security by making it more difficult or time-consuming to find and/or fix vulnerabilities. It also might make it easier to introduce vulnerabilities.