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home / papers / 2026 / When Helpers Become Hazards: A Benchmark for Analyzing Multimodal LLM-Powered Safety in Daily Life

When Helpers Become Hazards: A Benchmark for Analyzing Multimodal LLM-Powered Safety in Daily Life

Paper · 2026 · Xinyue Lou, Xu Jinan, Jingyi Yin et al.

Summary

Multimodal LLMs are increasingly used as everyday assistants. Their answers can steer people into risky actions even when the user has no harmful intent. Most existing safety benchmarks target jailbreaks or explicit harm, and implicit-risk sets tend to be small or artificial. The authors introduce SaLAD, a benchmark of real photographs paired with ordinary-sounding questions. In these pairs, the danger only becomes clear when image and text are read together, for example a flooded street behind a request for directions. SaLAD also contains safe counterpart cases that test for oversensitivity. Instead of rewarding refusals, its scoring checks whether a response gives a specific, informative safety warning, using LLM-as-a-judge with warning-annotated references. Across 18 MLLMs, safety on risky queries is poor. Standard safety prompts and alignment datasets bring little improvement. Models largely know the relevant safety facts in text form but fail to apply them to visual scenes. This points to cross-modal reasoning as the key gap for real-world assistant safety.

Key points

  • SaLAD contains 2,013 image–text samples from real-world sources, with no AI-generated images, spread over 10 everyday categories (e.g., Food, Home, Travel, Sports, Health, Study). It balances unsafe and oversensitivity cases, and is released at github.com/xinyuelou/SaLAD.
  • Among 18 evaluated MLLMs, the best model reaches only a 57.2% safe-response rate on unsafe queries. The average on the unsafe set is 30.65%.
  • Safety prompts and alignment data (VLGuard, SPA-VL, MIS) help on SIUO but barely move SaLAD scores. Only SPA-VL gives consistent gains, around 1% for Qwen2.5-VL. VLGuard-trained models tend toward generic refusals.
  • In a text-only multiple-choice diagnosis, models exceed 80% accuracy on the underlying safety knowledge. This exposes a knowledge-versus-application gap in visual contexts.
  • GPT-4o and GPT-4o-mini judgments agree closely with human assessment. A full evaluation costs about $3 with GPT-4o and $0.2 with GPT-4o-mini.

Our summary of the paper, in our own words — not its text. The work belongs to its authors; read it at the links above.

 Fields, topics and concepts

Cite

Cite as Xinyue Lou, Xu Jinan, Jingyi Yin, Xiaolong Wang, Zhaolu Kang, Liaoyouwei, Yixuan Wang, Xiangyu Shi, Fengran Mo, SU Yao and Kaiyu Huang. 2026. When Helpers Become Hazards: A Benchmark for Analyzing Multimodal LLM-Powered Safety in Daily Life. Findings of the Association for Computational Linguistics: ACL 2026.

The paper itself, not this page. BibTeX from the library's record of the work. DOI 10.18653/v1/2026.findings-acl.1446

@inproceedings{lou2026when,
  title = {{When Helpers Become Hazards: A Benchmark for Analyzing Multimodal LLM-Powered Safety in Daily Life}},
  author = {Xinyue Lou, Xu Jinan, Jingyi Yin, Xiaolong Wang, Zhaolu Kang, Liaoyouwei, Yixuan Wang, Xiangyu Shi, Fengran Mo, SU Yao and Kaiyu Huang},
  booktitle = {Findings of the Association for Computational Linguistics: ACL 2026},
  year = {2026},
  doi = {10.18653/v1/2026.findings-acl.1446},
  url = {https://doi.org/10.18653/v1/2026.findings-acl.1446}
}

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