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Zhi-Cheng Gao

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Preprint Aug 2026

Trojaning the Alignment: Stealthy Backdoor Attacks against Graph Foundation Models

Graph Foundation Models (GFMs) on text-attributed graphs (TAGs) align graph representations with language semantics to support transferable graph learning. Despite these advantages, the backdoor vulnerability of GFMs on TAGs remains insufficiently understood, especially under graph-language alignment, where graph and t...

Min-hua Lin, Zhi-Cheng Gao, Yilong Wang et al. · 0 citations