CVE-2026-46509: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in @ranfdev/deepobj

May 14, 2026

Prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input.

References

github.com/advisories/GHSA-x7q7-fchv-8h2j
github.com/ranfdev/deepobj/security/advisories/GHSA-x7q7-fchv-8h2j
nvd.nist.gov/vuln/detail/CVE-2026-46509

Code Behaviors & Features

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