First reported infosecwriteups.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 wiz.io
Wiz Uncovers Critical Access Bypass Flaw in AI-Powered Vibe Coding Platform Base44
Wiz disclosed a now-patched critical authentication bypass in Base44, an AI-powered 'vibe coding' platform owned by Wix, where supplying only a non-secret 'app_id' value to undocumented registration and email-verification endpoints let an attacker create a verified account for private applications. The flaw bypassed all authentication controls, including SSO, granting full access to private apps and their data; Wix fixed it within 24 hours of the July 9, 2025 disclosure, with no evidence of exploitation in the wild. Details →First reported twitter.com
Instagram account takeover exploit via support chatbot prompt injection (fixed)
Reports claim Meta's AI support agent for Instagram was granted account-modification permissions without identity verification, allowing attackers to manipulate the bot into changing account emails and bypassing 2FA, leading to live account takeovers. Multiple users reported losing accounts before the issue was reportedly patched. Details →First reported arstechnica.com
Millions of AI agents imperiled by critical vulnerability in open source package
A critical authentication-bypass vulnerability (CVE-2026-48710, dubbed BadHost) in the Starlette framework lets a single character injected into the HTTP Host header bypass path-based authorization. Because Starlette underpins FastAPI, vLLM, LiteLLM, and many MCP servers and agent harnesses, the flaw exposes millions of AI agents and their stored third-party credentials and sensitive data to trivial exploitation. Details →How the wire is made
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