Security · 1h ago
Free Semgrep Found Only 3 of 10 Planted Vulnerabilities in Test
A small team planted 10 common vulnerabilities in a React/TypeScript app and ran free Semgrep with default rules. The tool reported only 3 of the 10, highlighting the limits of zero-config static analysis. The team notes this reflects what free SAST is designed to catch, not a defect in Semgrep.
Meridian48 take
The test underscores that free SAST tools are a baseline, not a replacement for custom rules or manual review.
Read the full reporting
We Planted 10 Vulnerabilities to Test Free Semgrep. It Reported 3. →
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