Self-Replicating Prompt Injections Found in OpenAI Agent Tests
OpenAI says its GPT-Red red-teamer found worm-like prompt injections that copy themselves via email, files, code and Slack in simulated agent tests.
Large language models are trained to refuse harmful requests and follow the instructions of the people who deploy them. Jailbreak research studies how those guardrails fail. It covers crafted prompts that coax a model past its safety training, as well as prompt injection, where malicious instructions are hidden in documents, web pages, emails, or tool outputs that a model reads while doing its work. The field also includes defensive work: measuring how robust models are, building filters and detection systems, and examining what happens inside a model when it decides to refuse.
The stakes have changed as language models move from chat windows into autonomous agents. An agent can browse the web, call APIs, and act on a user's behalf. That makes a successful injection more than an embarrassing output. It can lead to leaked data or unauthorized actions. Attacks once demonstrated mostly in research papers are increasingly showing up against deployed systems. Meanwhile, security vendors, standards groups, and AI labs are trying to define what adequate oversight of agentic software should look like. Interpretability methods are also giving researchers new ways to locate where safety behavior lives inside a model, and to see how attacks get around it.
This hub tracks:
OpenAI says its GPT-Red red-teamer found worm-like prompt injections that copy themselves via email, files, code and Slack in simulated agent tests.
NVIDIA's NXDirection removes instruction signals from untrusted tokens, cutting indirect prompt-injection success on BIPIA from 38.1% to 0.1% in open models.
Zenity Labs found bypassable guardrails in OpenAI's AgentKit, launched runtime protection, and reported a credential-exposure flaw in AWS AgentCore.
University of Pavia researchers' XBreaking uses explainable AI to find safety layers in open LLMs and inject noise, bypassing refusals up to 96% of the time.
A Partnership on AI report found six oversight gaps in four AI agent systems, including weak agent identity, as prompt injection attacks spread.
Prompt injection stayed OWASP's #1 LLM risk for 2026 as agent autonomy turned it into a code-execution threat; here are the four containment controls security
Prompt injection hit production in 2026: payloads in web pages, hijacked GitHub and Copilot agents, and 97% autonomous jailbreaks are outpacing defenses.