This vulnerability is being actively exploited in the wild, according to the CISA Known Exploited Vulnerabilities catalog. CISA added it on .
CriticalVulnerability
CVE-2025-62593: Ray remote code execution via browser-based attacks using DNS rebinding
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2025-62593
- Published
- Record updated
- Affected
- ray < 2.52.0
- Fixed in
- 2.52.0
- released November 21, 2025, 6 days before disclosure
- EPSS
- 60.2%
Summary
CVE-2025-62593 affects Ray, an AI compute engine, before version 2.52.0 when developers run it as a development tool. An attacker can achieve remote code execution from Firefox and Safari by combining a forged User-Agent header, which the fetch specification allows to be modified, with a DNS rebinding attack. Exposure occurs when a developer running Ray visits a malicious website or is served malvertising.
Mitigation
Fixed in 2.52.0.
Affected packages in the Exposure Registry
Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.
- rayPyPINo LLM dependency detected · 22 tracked dependents
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