First reported wiz.io
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 thehackernews.com
14 Trojanized npm Packages Drop RedC2 4.0 Linux Backdoor With AI-Assisted C2
Trend Micro's TrendAI reported 14 trojanized npm packages posing as calendar and streak utilities that stealthily deliver RedC2 4.0, an AI-powered Linux implant. A single import anywhere in the dependency graph—even a transitive one—locates the bundled binary, marks it executable, and launches it as a detached background process, requiring no install hook. Details →First reported theregister.com
ChainDrop worm crawls into npm supply chain, evades standard defenses
ChainDrop, a new variant of the Shai-Hulud npm worm dubbed by Microsoft and others, has poisoned 444 packages (collectively downloaded ~2 billion times a month, including keyv, flat-cache and cache-manager) and self-replicates by rebuilding package tarballs to embed its payload rather than committing to source repos. It harvests npm tokens, cloud keys and secrets from shell configs, environment variables and live memory, and plants startup hooks in repo config files so that simply opening an infected Git branch in VS Code or Claude Code triggers execution without any npm install. Details →First reported · updated · 2 reports thehackernews.com
Worm compromises hundreds of popular npm packages | Datadog Security Labs
Datadog Security Labs reports that on August 4, 2026 a threat actor compromised hundreds of npm packages — some with over 150 million weekly downloads, including keyv, cacheable, and ecto — to propagate a self-spreading backdoor similar to the Shai-Hulud worm. The injected payloads notably add Claude (.claude/settings.json) and Visual Studio Code execution hooks and payload blobs, weaponizing AI coding-agent configuration as an execution vector. Details →First reported crowdstrike.com
Detecting SANDWORM_MODE and AI Toolchain Supply Chain Attacks
CrowdStrike details SANDWORM_MODE, a multi-stage npm supply chain worm first documented by Socket.dev in February 2026 that spanned 19 malicious packages and specifically exploited the runtime behaviors of AI coding assistants (Copilot, Cursor, Claude Code), CI automation, and LLM toolchains. The infection chain uses an obfuscated multi-layer loader (Base64/zlib/XOR, indirect eval) to bypass static analysis, then fingerprints the environment and performs reconnaissance and credential harvesting across the AI-driven CI/CD pipeline. Details →First reported · updated · 2 reports stepsecurity.io
Miasma Supply Chain Attack: Azure Hit, 73 Repos Down, 37 PyPI Wheels
The Miasma supply-chain worm campaign expanded to poison Microsoft's Azure/durabletask GitHub repository with config files that execute a credential-harvesting payload the moment a developer opens the repo in AI coding tools like Claude Code, Gemini CLI, Cursor, or VS Code, triggering GitHub to disable 73 Microsoft repositories including Azure/functions-action. Two days later the Hades variant dropped 37 malicious PyPI wheels across 19 packages using Python .pth startup hooks to run a Bun-powered credential stealer on every interpreter launch, with Socket tracking 448 affected artifacts across npm and PyPI. Details →First reported jscrambler.com
Unauthorized Publication of a Malicious npm Package affecting CI
Jscrambler disclosed that a threat actor used compromised npm publishing credentials to publish a malicious version of its 'jscrambler' npm package (versions 8.14, 8.16, 8.17, 8.20), which ran an infostealer during the preinstall hook and was downloaded around 1,479 times in a two-hour window. Per Socket's analysis, the malware harvested developer credentials, cloud secrets, crypto wallets, browser data, and notably AI coding tool and MCP configurations (Claude, Cursor, Windsurf, VS Code, Zed), using ChaCha20-Poly1305 obfuscation to resist analysis. Jscrambler revoked credentials and released a safe version 8.22. Details →How the wire is made
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