| 1. Claude Opus 5 (High) |
| 2. Claude Opus 5 (Max) |
| 3. Claude Fable 5 (High) |
| 4. Kimi K3 (Max) |
| 5. GPT 5.6 Sol (xHigh) |
The BriefRay is the software many teams use to spread AI work across lots of machines. A flaw in it lets an attacker run their own code on your computer. All they need is for you to open a bad web page while Ray is running. The old versions tried to block this by checking if the request came from a browser, but that check is easy to fake. CISA, the US cyber agency, says attackers are using this now. It put the flaw on its must-fix list on Monday and gave federal agencies until Thursday, August 20. That is tomorrow. The fix is Ray version 2.52.0. Anything older is exposed. Here is the part that matters for an MSP: Ray usually is not on anybody's software list. A data scientist installs it on a laptop or a spare server to run one job, and it stays there. So the real question is not "did we patch Ray", it is "do we even know where Ray is running". That is the same question behind most AI tools showing up in your clients' networks right now.
Level UpSpend twenty minutes today finding out whether Ray is running anywhere you are responsible for, including your own machines. Do not start with the patch, start with the inventory. Ray listens on port 8265 for its dashboard, so a scan for that port across your networks will find most of it. Anything you find on a version below 2.52.0 needs updating. Then ask the bigger question this bug is really about: what other AI tools did somebody install for one experiment and never tell you about? Those are the ones with no patching schedule, no owner and no monitoring. Why CISA treated this as a shadow-infrastructure problem, not just a patch