CVE-2026-46509: @ranfdev/deepobj has a Prototype Pollution vulnerability

May 14, 2026 (updated June 9, 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

Detect and mitigate CVE-2026-46509 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →