First reported arxiv.org
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 arthur.ai
One Poisoned Agent Infects the Whole Chain | Ravoid
An explainer on how prompt injection propagates across multi-agent LLM systems, showing that a payload buried in a retrieved document, tool result, subagent output, or shared memory becomes trusted input to downstream agents and rides the chain past a single front-door guardrail. The piece argues every inter-agent handoff must be treated as a trust boundary and references the 'Prompt Infection' research on self-replicating LLM-to-LLM injection. Details →First reported auth0.com
Agentic Loops and Multi-Agent Graphs Expand AI Prompt Injection Risk
Auth0 published an analysis arguing that the most serious AI agent security risks stem from architectural choices—specifically agentic loops and multi-agent graphs—rather than the model alone. In loop-based systems attacker-controlled external content can be fed back into an agent's reasoning to persist and compound malicious instructions, while multi-agent graphs create trust-boundary failures where a compromised agent passes tainted instructions downstream; the report cites 2024 'Prompt Infection' research showing prompt injection can self-replicate across connected agents and recommends controls like step/time budgets, approval gates, scoped permissions, and treating tool output as untrusted. Details →How the wire is made
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