# Researchers Argue Capture-the-Flag Scores Hide How AI Agents Actually Break Into Systems

A paper posted Friday says pass or fail grading on security benchmarks discards the agent trajectory, which is the part that reveals whether a solve was reasoning or a lucky tool call.

- Published: 2026-08-28T06:11:21.137Z
- Canonical: https://polylog.news/ai/2026-08-28/researchers-argue-capture-the-flag-scores-hide-how-ai-agents
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [arXiv cs.CR](https://arxiv.org/abs/2608.26237), [arXiv cs.LG](https://arxiv.org/abs/2608.26222)

Capture-the-flag (CTF) exercises have become the standard way labs and safety institutes measure whether an autonomous language-model agent can conduct offensive security operations. A paper posted to arXiv on Friday argues the measurement…

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