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The VMs Powering Mobile Agents (Instinct, Claude Code)
A teardown reveals Claude Code runs in Firecracker microVMs with a Rust PID 1 and MITM'd egress, while Instinct rents E2B sandboxes with git-based memory.
The author inspects the virtual machines hosting cloud agents: Claude Code runs in a Firecracker microVM with a custom Rust init (process_api) as PID 1, a 324 MB Bun harness on a read-only disk, and 443-only MITM'd SSE egress to api.anthropic.com with host-rotated OAuth tokens and no inbound access. Instinct rents E2B sandbox-as-a-service Firecracker microVMs (Ubuntu 22.04, 2 vCPU, 1.9 GB RAM) where agent memory is a git repo of Markdown committed by the agent and pushed to S3 as a single bundle, using short-lived STS credentials. Both platforms rely on Firecracker, differing mainly in fleet operator and guest boot configuration.
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Re: UnrealIRCd 6.2.7 released & hot-patch to fix security issues for existing installations
UnrealIRCd 6.2.7 hot-patch fixes a minor MITM command injection in STARTTLS S2S upgrade, flagged as LLM-reported.
Sam James points to an UnrealIRCd commit fixing a command injection during STARTTLS upgrade in server-to-server links, exploitable only via man-in-the-middle position. He characterizes it as uninteresting and cites it as an example of the typical shape of LLM-reported vulnerability findings.
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Tycon Systems TPDIN-Monitor-WEB3
CISA reports three flaws (hard-coded credentials, CSRF, missing authorization) in Tycon TPDIN-Monitor-WEB3 <=2.2.9 enabling MitM, credential theft, or device resets.
CISA published ICSA-26-246-08 for Tycon Systems TPDIN-Monitor-WEB3 versions 2.2.9 and prior, covering CVE-2026-77847 (use of hard-coded credentials, CWE-798), CVE-2026-82712 (CSRF, CWE-352), and CVE-2026-82684 (missing authorization, CWE-862). Exploitation could enable man-in-the-middle attacks, factory resets, credential wiping, or extraction of system credentials, configurations, and flash contents; the CSRF issue scores CVSS 8.8. No public exploitation has been reported; CISA recommends isolating devices from business networks.
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