---
id: 1383
title: "Buckle up, Buttercup, AIxCC’s scored round is underway!"
source_domain: blog.trailofbits.com
source_url: "https://blog.trailofbits.com/2025/07/02/buckle-up-buttercup-aixccs-scored-round-is-underway/"
published_at: "2025-07-02 11:00"
tags: ["ai-security", "darpa", "automated-patching", "trail-of-bits", "aixcc", "buttercup"]
phying_url: "https://phying.com/item/1383"
lang: en
---

# Buckle up, Buttercup, AIxCC’s scored round is underway!

## Summary

Trail of Bits' Cyber Reasoning System Buttercup enters the scored round of DARPA's AIxCC, competing to autonomously find and patch the most vulnerabilities in real-world open-source software.

## Intelligence Metadata

- **Sources:** blog.trailofbits.com
- **Published:** 2025-07-02 11:00
- **Original:** https://blog.trailofbits.com/2025/07/02/buckle-up-buttercup-aixccs-scored-round-is-underway/
- **Phying News:** https://phying.com/item/1383