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The Vercel Breach: OAuth Supply Chain Attack Exposes the Hidden Risk in Platform Environment Variables
April 20, 2026 · Trend Micro · Severity: MEDIUM
An OAuth supply chain compromise at Vercel exposed how trusted third party apps and platform environment variables can bypass traditional defenses and amplify blast radius.
Key Takeaways
- An OAuth supply chain compromise at Vercel exposed how trusted third party apps and platform environment variables.
- the attack chain, underlying design tradeoffs, and what it reveals about modern PaaS and.