Your OpenClaw Slack Agent Is Probably Leaking Data. Here's How to Fix It.

OpenClaw hit 250K GitHub stars in two months. Everybody's running it. And most of them have it plugged into Slack with default permissions, which is roughly the equivalent of giving your intern root access to every conversation in the company. I spent last week auditing three different OpenClaw Slack setups after CVE-2026-25253 dropped (CVSS 8.8, if you're keeping score). What I found wasn't great. The Problem Nobody Talks About When you connect OpenClaw to Slack via Socket Mode, it can read every channel it's been added to. Every. Channel. That includes the ones where your leadership team discusses layoffs, your security team shares incident reports, and your finance team argues about runway. The default Slack bot token scopes most tutorials tell you to add — channels:history , groups:history , im:history — give the agent visibility into conversations it has no business reading. And because Slack treats bot messages as trusted (they come from an authenticated app, after all), nobo