Vibe-coding is increasing. Vibe-coded apps tend to be buggy. Is this a worrying sign for the future?
Vibe coding, the use of AI to assist or perform code generation, is increasing dramatically. In May 2026, Hostinger reported, “90% of developers regularly use at least one AI tool at work as of January 2026.” This is likely to increase through the basic business pressure that applies to everything: we need more, faster and cheaper.
But while vibe coding is increasing in volume, so are concerns over the security of vibe-developed apps.
Xint.io, the web platform that delivers Theori’s AI driven autonomous pentest code (Xint), decided to analyze vibe-coded apps to quantify what, where, why and how often vibe coding introduces security weaknesses into the apps it touches.
To achieve this, Xint created three tests reflecting the most common AI-assisted development workflows:
