First reported darkreading.com
Lead dispatch
First reported · updated · 3 reports embracethered.com
AWS Kiro: Arbitrary Code Execution via Indirect Prompt Injection
Researchers found a vulnerability (CVE-2026-10591) in AWS Kiro, an agentic IDE, where hidden instructions planted in a web page or source file that Kiro processes can trigger indirect prompt injection to rewrite Kiro's own MCP server configuration (~/.kiro/settings/mcp.json) or allowlist arbitrary Bash commands in .vscode/settings.json, achieving arbitrary code execution on the developer's machine with no approval prompt. The human-in-the-loop approval boundary is bypassed because Kiro can write to these config files without user consent, and AWS has issued a fix and CVE.indirect-prompt-injection · prompt-injection · remote-code-execution · tool-abuse · config-poisoning
ai-agents · mcp · llm · agentic-ide
Severity
0.85
The wire · latest
First reported · updated · 2 reports theregister.com
The Guardrails Debate: Security Researcher Changes His Mind
OpenAI has gathered more than 100 major technology and infosec companies—including Anthropic, Google, Microsoft, Cloudflare, CrowdStrike, Fortinet, and Palo Alto Networks—behind an open letter warning that AI-enabled cyber attacks will become far more widespread and sophisticated in the coming months, threatening hospitals, water treatment plants, and internet infrastructure. The letter, covered critically by The Register, calls for putting cyber-capable AI models into more defenders' hands, continuous testing against frontier capabilities, threat-intelligence sharing, and government funding for critical infrastructure defense. Details →First reported anthropic.com
What we learned mapping a year’s worth of AI-enabled cyber threats
Anthropic analyzed 832 accounts banned for malicious cyber activity between March 2025 and March 2026, mapping their AI-enabled techniques onto MITRE ATT&CK. Findings: most actors used AI for malware writing (67.3%), AI is increasingly used in later post-compromise stages like lateral movement and account discovery, attacks are becoming more autonomous, and traditional risk-scoring signals no longer reliably reflect actor skill. Details →How the wire is made
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