Analysis · curated 10 Aug 2026
AutoJack: The New Vulnerability Class Letting a Single Webpage Hijack Your AI Agent | by Raj Namdev | CodeToDeploy
First reported medium.com
Coverage timeline
Single-source analysis — first reported, latest, and curated coincide.
Why it matters
AutoJack illustrates how indirect prompt injection can turn an ordinary page visit into full hijacking of an AI browsing agent, a risk defenders deploying autonomous web agents must mitigate.
A Medium write-up describes AutoJack, a named vulnerability class in which a single malicious webpage embeds content that hijacks an AI browsing agent's reasoning during a normal task (summarizing, price-checking, form-filling) and redirects it to execute the attacker's instructions with no user click, download, or approval. The piece frames it as a recently demonstrated form of indirect prompt injection against AI browsing agents.