Executive brief
Vyper's `concat()` builtin may elide side-effects for zero-length arguments
Affected products
- PyPI vyper
Junglewise Threat Intelligence
CVE-2025-47285 · Severity: medium · CVSS 4 · Published 2026-07-07
Technologies: vyper (PyPI). Vendors: PyPI.
Vyper's `concat()` builtin may elide side-effects for zero-length arguments