Critical 9.4
KEV-listed
CVE-2025-62593
CISA Flags Actively Exploited Ray Flaw CVE-2025-62593
Vendor / product: Ray
Event date: 2025-11-24
Public PoC: Yes
First tracked by RiskWire: 2026-08-17
CISA KEV catalog
Added to KEV
Federal remediation due
2026-08-20 (31 days overdue)
Ransomware campaign use
Unknown
CISA description
Ray-Project Ray contains a code injection vulnerability that could allow remote code execution. Developers using Ray as a development tool may be exposed to this vulnerability exploitable through Firefox and Safari.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Named threat actors
RondoDox DDoS botnet
Sources & citations (7)
- CISA Flags Actively Exploited Ray Flaw That Can Trigger Browser-Based RCE thehackernews.com · 2026-08-18
- U.S. CISA adds a Ray-Project Ray flaw to its Known Exploited Vulnerabilities catalog securityaffairs.com · 2026-08-18
- CISA Warns of Active Exploitation of Ray-Project Ray Code Injection Vulnerability gbhackers.com · 2026-08-18
- CISA orders a three-day patch after a flaw in the Ray AI framework comes under active attack thenextweb.com · 2026-08-18
- CISA gives feds 3 days to fix actively exploited Ray RCE bug theregister.com · 2026-08-18
- CISA Warns of Critical Vulnerability in Ray Framework uk.headtopics.com · 2026-08-18
- CISA Warns of Ray-Project Ray Code Injection Vulnerability Exploited in Attacks cybersecuritynews.com · 2026-08-18
References
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