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The Hacker News AI Security · August 18, 2026

CISA Flags Actively Exploited Ray Flaw That Can Trigger Browser-Based RCE

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Why it matters

CISA added Ray CVE-2025-62593 to its Known Exploited Vulnerabilities catalog. The flaw combines unauthenticated job APIs with DNS rebinding so Firefox or Safari can make a developer's browser act as a confused deputy and execute shell code on a local or network-adjacent Ray instance. Ray fixed it in 2.52.0; reporting also links the public exploit to RondoDox and GPU-mining activity.

My takeaway: Upgrade Ray to 2.52.0 or later, keep dashboards and job APIs off untrusted networks, and do not use browser reachability as an authorization boundary. Add origin and host validation, segment developer clusters, inspect job history and containers for unexpected commands or miners, and rebuild or rotate credentials when exploitation cannot be ruled out.
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