Example anecdata but since we started having our devs heavily use agents we’ve had a resurgence of mostly dead vulnerabilities such as RCEs (CVE in 2019 for example) as well as a plethora of injection issues.
When asked how these made it in devs are responding with “I asked the LLM and it said it was secure. I even typed MAKE IT SECURE!”
If you don’t sufficiently understand something enough then you don’t know enough to call bs. In cases like this it doesn’t matter how many times the agent iterates.