First reported theregister.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 thehackernews.com
Kimsuky Builds Offline AI Stack to Boost Phishing and Automate Malware Development
South Korean security firm Genians reports that North Korea's Kimsuky espionage group has begun running large language models offline on its own servers, connecting document-search (RAG-style) tools to stolen files and assembling software components to embed AI into its malware. Genians found no evidence of a self-trained model and characterizes the group as being in a 'research and knowledge acquisition' stage aimed at folding AI across operations from malware writing to data analysis. Details →First reported paloaltonetworks.com
The Frontier AI Vulnerability Burst: Industrializing Autonomous Zero-Day Discovery in Open-Source Software
Palo Alto Networks' Unit 42 (Xu Zou) describes a 'Frontier AI Vulnerability Burst' in which frontier AI models are being used to industrialize autonomous zero-day discovery in open-source software, referencing real CVEs including CVE-2025-40947, CVE-2025-40948, and CVE-2026-0257. The report frames how autonomous AI-driven vulnerability research is accelerating the pace and scale of zero-day discovery. Details →First reported propublica.org
Microsoft Struggling With Hundreds of AI-Discovered Security Bugs
ProPublica reports that Microsoft is struggling to patch hundreds of security vulnerabilities discovered by Anthropic's unreleased Claude Mythos Preview model under Project Glasswing, which found 90 'critical' and 141 'important' bugs in SharePoint in April alone. Internal recordings show engineers in a 'mad dash' to close flaws before the model's capabilities become available to adversaries like China, with Microsoft triaging critical and important bugs first. Details →How the wire is made
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