🚨Ray RCE Bug: Agencies Have 3 Days to Fix
Your dev machine is at risk if you use Ray
TL;DR
A critical Ray bug allows attackers to execute code remotely, impacting millions of users. US agencies have just three days to fix it.
The US federal civilian executive branch has been given a tight deadline: fix the actively exploited Ray RCE vulnerability within three days or face serious consequences. This bug, rated CVSS v4 at 9.4, lets attackers execute code remotely on vulnerable systems using Firefox or Safari. If you're running development environments with Ray, this hits close to home—visiting a dodgy site could give an attacker full control over your machine. The fix is in: upgrade to Ray 2.52.0, which introduces optional token-based authentication.
Key Points
Ray's CVSS v4 rating for this bug is 9.4, indicating severe risk
The deadline to patch: US federal civilian agencies have until October 26th
Ray 2.52.0 fixes the flaw and introduces optional token-based authentication
Ray has over 7 million weekly downloads and is used by 60% of Fortune 500 companies
The bug was first disclosed in November 2025, impacting developers immediately
Why It Matters
If you're running Ray for development or testing, this affects you. A simple visit to a malicious site can give attackers full control over your machine. Upgrading to Ray 2.52.0 is crucial—don't wait until the last minute.
Frequently Asked Questions
Why does this matter?
If you're running Ray for development or testing, this affects you. A simple visit to a malicious site can give attackers full control over your machine. Upgrading to Ray 2.52.0 is crucial—don't wait until the last minute.
What happened?
A critical Ray bug allows attackers to execute code remotely, impacting millions of users. US agencies have just three days to fix it.
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