Junglewise Threat Intelligence

CVE-2025-47285: PYSEC-2026-2029 - Vyper's `concat()` builtin may elide side-effects for zero-length arguments

CVE-2025-47285 · Severity: medium · CVSS 4 · Published 2026-07-07

Technologies: vyper (PyPI). Vendors: PyPI.

Executive brief

Vyper's `concat()` builtin may elide side-effects for zero-length arguments

Affected products

  • PyPI vyper

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