Google's PageBreak Security Agent Has Found 500+ XSS Bugs
10/31/2026 — 10/31, 15:17·1 sources (all)·1 reports (all)
Key takeaways
- Google detailed its AI security agent PageBreak in a paper, according to InfoQ. Since full deployment in January, the agent has uncovered mo…
Background & analysis
According to InfoQ, Google has detailed its AI-powered security agent PageBreak in a paper. Since entering full operation in January, the agent has uncovered more than 500 XSS vulnerabilities across Google's web applications. PageBreak uses Gemini models to autonomously investigate potential vulnerabilities, but it reports them only after deterministic validators successfully reproduce the exploit against a running application. That is the extent of the disclosure made so far.
AI-generated from 1 reports · updated 6 days ago
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Google says its AI security agent PageBreak has uncovered more than 500 XSS vulnerabilities across its web applications since entering full operation in January, according to a paper reported by InfoQ. The agent uses Gemini models to investigate potential flaws on its own, but reports them only after deterministic validators successfully reproduce the exploit against a running application.
InfoQ · AI/MLAI score 57
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