Remote Code Execution Vulnerability in Ray AI Compute Engine
CVE-2025-62593

9.4CRITICAL

Key Information:

Vendor

Ray-project

Status
Ray
Vendor
CVE Published:
26 November 2025

What is CVE-2025-62593?

Ray AI Compute Engine, widely utilized as a development tool, contains a significant RCE vulnerability in versions prior to 2.52.0. This vulnerability arises from a failure to properly safeguard against browser-based attacks. The existing defense mechanism inadequately relies on the User-Agent header, which can easily be manipulated according to the fetch specification. As a result, developers using Ray could be exploited through a malicious website visit or harmful advertisements, particularly when using browsers like Firefox and Safari. It is recommended to upgrade to version 2.52.0 or newer to mitigate these security risks.

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Affected Version(s)

ray < 2.52.0

References

https://github.com/ray-project/ray/security/advisories/GH...
x_refsource_CONFIRM
https://github.com/ray-project/ray/commit/70e7c72780bdec0...
x_refsource_MISC

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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