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Home/CWEs/CWE-843
Common Weakness Enumeration

CWE-843: Type Confusion

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A resource is accessed using a type incompatible with its actual type.

Abstraction
Base
OWASP Top 10
A06:2021 (#6)
Exploit Likelihood
High
Related CVEs
18

How to mitigate

Validate types at trust boundaries; avoid unsafe casts.

▪ References & documentation

https://cwe.mitre.org/data/definitions/843.htmlNVD CWE listing

▪ Related CVEs

CVE-2020-25575Critical

Security vulnerability in failure

CVE-2021-23434Medium

Security vulnerability in object-path

CVE-2018-8229High

Security vulnerability in ChakraCore

CVE-2018-8291High

Security vulnerability in ChakraCore

CVE-2018-8384High

Security vulnerability in ChakraCore

CVE-2018-8279High

Security vulnerability in ChakraCore

CVE-2018-8133High

Security vulnerability in ChakraCore

CVE-2018-8298High

Security vulnerability in ChakraCore

CVE-2026-22028Medium

Security vulnerability in preact

CVE-2026-25537High

Security vulnerability in jsonwebtoken

CVE-2021-23440High

Security vulnerability in set-value

CVE-2021-23440High

Security vulnerability in set-value

CVE-2026-22028Medium

Security vulnerability in preact

CVE-2021-23434Medium

Security vulnerability in object-path

CVE-2021-23436Medium

Security vulnerability in immer

CVE-2023-0286High

Security vulnerability in openssl

CVE-2023-0286High

Security vulnerability in openssl

CVE-2026-25537High

Security vulnerability in jsonwebtoken