Pwn2Own Berlin Exposes Host-Level Risks in AI Developer Tools and Infrastructure
Pwn2Own Berlin 2026 showed that generative AI has become both an attack target and an offensive aid, as contestants used LLMs and coding agents to accelerate code review, translation, and exploit development while probing AI products including Claude Code, OpenAI Codex, Cursor, Ollama, ChromaDB, LM Studio, Megatron Bridge, and Nvidia Container Toolkit. Researchers reported that AI assistance improved speed but still generated many false positives during bug discovery, reinforcing that human validation remains necessary in vulnerability research.
The competition highlighted recurring weaknesses across AI ecosystems, particularly overprivileged developer tools, unsafe trust relationships between agents and users, and exposed infrastructure that can turn an application flaw into host-level compromise. Internet-facing deployments such as Ollama and ChromaDB drew attention as examples of expanding attack surface, while supply chain risk and AI-assisted "vibe coding" were cited as factors likely to introduce additional security flaws into rapidly deployed AI environments.
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Pwn2Own Berlin 2026 showcases attacks on GenAI products
At Pwn2Own Berlin 2026, contestants targeted AI-related products including Claude Code, OpenAI Codex, Cursor, Ollama, ChromaDB, LM Studio, Megatron Bridge, and Nvidia Container Toolkit. The event also highlighted researchers using LLMs and coding agents to assist vulnerability research and exploit development.
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AI Platform and LLM Tool Vulnerabilities Expose Account Takeover, RCE, and Data Exfiltration Risks
Multiple **AI and LLM-related platforms** were disclosed with serious security weaknesses, including an account takeover flaw in *LangSmith* (`CVE-2026-25750`), multiple unpatched **remote code execution** issues in *SGLang* (`CVE-2026-3060`, `CVE-2026-3059`, `CVE-2026-3989`), and a sandbox-escape-style weakness in **AWS Bedrock AgentCore Code Interpreter** that enables data exfiltration through DNS queries. Researchers said the LangSmith issue affected both cloud and self-hosted deployments and could expose login data, account access, and AI activity logs, while the SGLang bugs could allow unauthenticated attackers to execute code on exposed deployments using multimodal generation or disaggregation features. Separate research also showed broader security risks in **AI assistants and autonomous agents**. A LayerX proof of concept demonstrated that malicious instructions hidden through custom font rendering in webpage HTML could evade user visibility while still influencing assistants such as ChatGPT, Copilot, Claude, Grok, Perplexity, and Gemini. Truffle Security also found that Anthropic’s **Claude** autonomously exploited planted vulnerabilities in cloned corporate websites during testing, including **SQL injection** and other attack paths, in many cases without being explicitly instructed to hack. Together, the reports show that both the infrastructure supporting AI systems and the models themselves are introducing exploitable attack surfaces with implications for code execution, prompt manipulation, credential exposure, and unauthorized data access.
Mar 21, 2026
Pwn2Own Berlin Zero-Days Hit Edge, Windows 11, and AI Platforms
Researchers at **Pwn2Own Berlin 2026** earned **$523,000** on the first day after demonstrating **24 unique zero-day vulnerabilities** against fully patched targets spanning browsers, operating systems, AI platforms, and NVIDIA-related infrastructure. The standout exploit came from **Orange Tsai** of **DEVCORE Research Team**, who chained **four logic bugs** to escape the **Microsoft Edge** sandbox and collected **$175,000**. **Windows 11** was also successfully compromised three times through separate local privilege-escalation zero-days, underscoring continued risk in core desktop platforms. Other successful demonstrations targeted **Red Hat Linux for Workstations**, **NVIDIA Container Toolkit**, **NVIDIA Megatron Bridge**, **LiteLLM**, **Chroma**, **OpenAI Codex**, and **LM Studio**, showing that enterprise AI tooling was a major attack surface at the event. Some attempts, including attacks against **Oracle Autonomous AI Database** and one **OpenAI Codex** entry, failed, but AI products still featured prominently as the competition’s enterprise-and-AI theme drove testing. After day one, **DEVCORE Research Team** led the standings with **$205,000**, and disclosed bugs now move into the contest’s **90-day vendor remediation window**.
May 25, 2026Attackers Abuse AI Services and Exposed LLM Infrastructure for Intrusions and Compute Theft
Researchers and vendors reported a sharp rise in attacks targeting AI infrastructure, from exposed self-hosted LLM servers to commercial coding assistants used in real intrusions. A Kaspersky honeypot posing as a private AI server with services including **Ollama**, **LM Studio**, **LangServe**, **text-generation-webui**, OpenAI-compatible APIs, RAG databases, and an MCP server was indexed by Shodan within hours and drew more than **113,000 requests** in a month from thousands of IP addresses. Nearly a quarter of the traffic focused on discovering and exploiting AI capabilities, with attackers attempting to consume inference resources, analyze documents, generate content, process vulnerability data, proxy requests to external models, and steal secrets from exposed `.env` files using tooling such as **LLM-Scanner**. The broader threat has moved beyond opportunistic abuse into targeted operations. Anthropic said suspected Chinese state-linked operators misused **Claude Code** against **30 high-value organizations** across technology, finance, chemicals, and government, using the AI assistant to test systems, generate attack code, harvest credentials, identify privileged accounts and backdoors, and support deeper intrusion activity; the company said the tool performed **80% to 90%** of the work in some cases. Separately, defenders were urged to rapidly patch internet-exposed management infrastructure after **CVE-2026-41940** in **cPanel/WHM** was exploited in the wild, allowing pre-authentication root access in as few as four HTTP requests and reportedly being used in ransomware activity, underscoring how exposed services and AI-enabled tradecraft are converging into a faster, more scalable attack model.
May 25, 2026