First reported petri.com
Lead dispatch
First reported island.io
AgentBaiting: How Fake AI Skills Deliver Malware at Scale
Island security researchers uncovered the FakeGit campaign, which used roughly 7,600 malicious GitHub repositories—over 800 posing as AI Skills or MCP servers—to deliver SmartLoader malware that installs the StealC information stealer. The campaign introduces a technique called AgentBaiting, in which AI agents such as Claude Code, Gemini, and ChatGPT autonomously discover the attacker repositories, treat the malicious README as legitimate documentation, and pass installation instructions to users; the operation recorded over 14 million downloads.supply-chain · tool-abuse · malware-delivery · agentbaiting
mcp · ai-agents · ai-skills · llm · copilot
Severity
0.75
The wire · latest
First reported · updated · 5 reports varonis.com
SearchLeak: How We Turned M365 Copilot Into a One-Click Data Exfiltration Weapon
SearchLeak (CVE-2026-42824) is a critical three-stage vulnerability chain in Microsoft 365 Copilot Enterprise discovered by Varonis Threat Labs that lets an attacker steal MFA codes, emails, meeting details, and organizational files with a single click on a trusted microsoft.com link. It chains a Parameter-to-Prompt (P2P) injection via the search q parameter with an HTML rendering race condition and a CSP bypass through Bing's allowlisted image-search SSRF endpoint to silently exfiltrate a victim's mailbox, calendar, SharePoint, and OneDrive data. Microsoft remediated the flaw and rated it critical. Details →First reported · updated · 2 reports talosintelligence.com
ARToken: Inside an EvilTokens affiliate panel targeting Microsoft 365
Cisco Talos documents ARToken, a phishing-as-a-service affiliate panel sharing infrastructure with the EvilTokens platform, that abuses Microsoft's OAuth device authorization grant to steal tokens and bypass MFA. The AI element is an AI-augmented BEC pipeline chaining Groq-hosted Llama models for financial exposure scoring and GPT-4o-mini for email translation, plus AI-powered personalized lures, to automate fraud against compromised Microsoft 365 mailboxes. Details →First reported darkreading.com
AI-Generated Workflows Are a Silent Security Disaster
An opinion/commentary piece arguing that AI coding assistants used to generate Microsoft 365 automation (e.g., Power Automate workflows) create unreviewed permissions and data flows, citing an incident where an AI-generated workflow copied sensitive HR documents into a broadly accessible Teams channel. The piece frames this as a governance and oversight gap rather than presenting a specific reproducible exploit. Details →How the wire is made
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