IDORSSRFAUTH BYPASSJWT FORGERYRACE CONDITIONXXEBROKEN OBJECT-LEVEL AUTHPRIVILEGE ESCALATIONMASS ASSIGNMENTGRAPHQL INTROSPECTION ABUSEIDORSSRFAUTH BYPASSJWT FORGERYRACE CONDITIONXXEBROKEN OBJECT-LEVEL AUTHPRIVILEGE ESCALATIONMASS ASSIGNMENTGRAPHQL INTROSPECTION ABUSE
Impactr Logoimpactr
FeaturesHow it worksEvidencePricingLearnCompare
  1. Home
  2. CWE
  3. CWE-1109

CWE-1109

Use of Same Variable for Multiple Purposes

The code contains a callable, block, or other code element in which the same variable is used to control more than one unique task or store more than one instance of data.

Official CWE-1109 definition at MITRE

Impactr finds and proves weaknesses like CWE-1109 in your web apps and APIs - investigating, chaining, and validating each with a reproducible exploit.

Join the waitlist
← CWE database
Impactr Logoimpactr

Built by hackers, for the code you ship. Autonomous AI penetration testing for modern web apps and APIs.

© 2026 Impactr

Product

FeaturesCoverageUse casesEvidencePricingWaitlist

Resources

VulnerabilitiesGuidesComparisonsGlossaryCWE databaseBy industryBy languageHTTP status codesSecurity headers

Company

ContactTwitterLinkedInGitHub