CISA has warned that attackers are actively exploiting a security flaw in Ray, a distributed computing framework used for Python and artificial intelligence workloads. The issue can be triggered through a web browser and can lead to remote code execution, meaning an attacker may be able to run malicious commands on a vulnerable server. The article text provided does not include the CVE number, affected versions, or vendor patch details, but the core event is CISA adding an exploited Ray vulnerability to its active-warning pipeline.
Why it matters: Organizations using internet-exposed Ray deployments should treat this as urgent because CISA is signaling real-world exploitation, not just a theoretical bug. Defenders should identify exposed Ray instances, apply vendor fixes or mitigations as soon as available, and restrict access to management interfaces.
SecurityWeek News
2026.08.21
93% relevant
This roundup adds that the actively exploited Ray issue is tracked as CVE-2025-62593, that CISA ordered federal civilian agencies to prioritize remediation, and that BitSight linked exploitation to the RondoDox Mirai-like botnet using 174 exploits.
2026.08.18
99% relevant
This article is a direct update on the same underlying event: CISA's addition of the actively exploited Ray browser-based RCE flaw to KEV. It adds the specific CVE number (CVE-2025-62593), the shortened 3-day federal patch deadline, the fixed version (Ray 2.52.0), and more detail on the phishing/malvertising plus DNS rebinding attack path involving Firefox and Safari.
info@thehackernews.com (The Hacker News)
2026.08.18
100% relevant
This article establishes a distinct new story about active exploitation of a Ray vulnerability; no existing tracked story in the list covers this specific CISA warning or the same Ray flaw.
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