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LLM vulnerability detection falters on real code; SWE-bench needs 90% tasks for reliability

Researchers have found that while LLM vulnerability detection can achieve 100% recall on synthetic benchmarks using structural priors, this performance drastically drops on real-world code. Furthermore, a separate analysis of LLM agent benchmarks indicates that SWE-bench requires approximately 90% of tasks to yield reliable results, with no universal shortcut found for partial runs. AI

IMPACT Highlights limitations in current LLM security evaluation and benchmark reliability, suggesting a need for more robust testing methodologies.

RANK_REASON The cluster discusses findings from analyses of LLM benchmarks and detection methods, fitting the research category.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

LLM vulnerability detection falters on real code; SWE-bench needs 90% tasks for reliability

COVERAGE [2]

  1. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    LLM vulnerability detection hits 100% recall, then collapses on real code Structural priors lift LLM vulnerability recall from 20% to 100% on synthetic benchmar

    LLM vulnerability detection hits 100% recall, then collapses on real code Structural priors lift LLM vulnerability recall from 20% to 100% on synthetic benchmarks, but real CVE data exposes a 51-point collapse. https://www. notatechguy.com/llm-vulnerabil ity-detection-hits-100-re…

  2. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    SWE-bench needs 90% of tasks for reliable agent benchmark results A replay analysis of three LLM agent benchmarks finds the safe partial-run fraction ranges fro

    SWE-bench needs 90% of tasks for reliable agent benchmark results A replay analysis of three LLM agent benchmarks finds the safe partial-run fraction ranges from 15% to over 95%, with no universal shortcut. https://www. notatechguy.com/swe-bench-need s-90-of-tasks-for-reliable-ag…