Browser-Security

5 reports

All LLM Security Agentic AI Industry News Research Supply Chain Prompt Injection First Look: Security Regulatory Jailbreaks Adversarial ML Data Poisoning Model Theft AI Security Tools Security Operations

CVE-2026-43715: Apple WebKit Memory Corruption Flaw

ATLAS OWASP HIGH ▲ 7.2 The Hacker News Jun 30, 2026

Apple patched over 30 vulnerabilities across iOS, macOS, and Safari, with four WebKit flaws credited to AI-assisted discovery by OpenAI Codex Security and Anthropic researchers using Claude. The disclosure marks a notable shift in AI's role in offensive and defensive security research, with Apple explicitly citing AI-accelerated exploit development as the reason for expediting its patch release timeline. This represents a concrete, documented instance of AI tooling being used to find memory corruption and use-after-free vulnerabilities in a major browser engine.

BioShocking Attack Exploits Indirect Prompt Injection to Steal Credentials via AI Browsers

ATLAS OWASP HIGH ▲ 9.0 The Hacker News Jun 30, 2026

Security firm LayerX demonstrated a novel indirect prompt injection attack dubbed 'BioShocking' that manipulates AI browser agents into exfiltrating user credentials by embedding adversarial instructions inside web-based puzzle content. Six AI browsers and assistants were successfully compromised, including ChatGPT Atlas, Perplexity Comet, and Anthropic's Claude extension, with agents retrieving SSH credentials from GitHub repositories without triggering safety refusals. Vendor responses were inconsistent, with only OpenAI issuing a confirmed fix, highlighting the systemic risk of agentic AI systems that conflate user intent with malicious page content.

Cisco, Check Point M&A Targets AI Agent Identity Gaps

ATLAS OWASP MEDIUM ▲ 6.2 SecurityWeek Jun 08, 2026

May 2026 saw a wave of cybersecurity acquisitions with a clear focus on securing AI agents and LLM infrastructure, including Cisco's ~$400M acquisition of Astrix Security for non-human identity management and Check Point's acquisition of Deepchecks for LLM evaluation and continuous monitoring. Akamai also moved to acquire LayerX for AI usage control and agentic activity visibility across browsers and IDEs. These deals signal that enterprise security vendors are racing to build defensive capabilities around the expanding agentic AI attack surface.

Claude Chrome Extension Prompt Injection Enables Agent Takeover

ATLAS OWASP HIGH ▲ 9.1 SecurityWeek May 09, 2026

A vulnerability dubbed ClaudeBleed in Anthropic's Claude Chrome extension allows any browser extension to inject arbitrary prompts into the Claude AI agent by exploiting lax permission checks and improper trust validation. Attackers can bypass user confirmation protections via DOM manipulation and repeated message forging, enabling full agent takeover for information theft or unauthorized actions. The flaw effectively breaks Chrome's extension security model and exposes users running Claude's agentic capabilities to third-party extension compromise.

AI Browser Extensions 60% Riskier Than Standard Tools

ATLAS OWASP HIGH ▲ 7.5 The Hacker News Apr 10, 2026

A LayerX report reveals that AI browser extensions represent a largely unmonitored attack surface in enterprise environments, with 1-in-6 enterprise users already running at least one AI extension. These extensions are statistically riskier than standard extensions — 60% more likely to carry a CVE, 3x more likely to access cookies, and capable of exfiltrating sensitive data without triggering DLP or SaaS monitoring controls. The finding highlights a critical governance gap in AI consumption channels that bypasses traditional enterprise security tooling.