作者位次 #2/7ACL 2026Poster· Natural Language Processing
When Efficiency Becomes a Vulnerability: Computational Cost Attacks on W eb A gents
Liang-Bo Ning · Yuchen Zhu · Heqing Huang · Xin Wang · Yi Chang · Li Qing · Wenqi Fan
摘要
WebAgents have demonstrated strong capabilities in autonomously completing complex web tasks, yet their computational efficiency vulnerabilities have received limited attention. Adversaries can inject malicious prompts into web pages, causing WebAgents to generate unnecessarily long reasoning pro...