Ray-Project Ray Code Injection Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Nov 26, 2025 · Catalog

   Detected

   Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-based attacks, as the current defense uses the User-Agent header starting with the string "Mozilla" as a defense mechanism. This defense is ins

2. Aug 17, 2026 · CISA KEV

   Known exploited

   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

3. Aug 20, 2026 · CISA KEV

   Remediation due

   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

4. Oct 1, 2026 · Catalog

   Updated

   Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-based attacks, as the current defense uses the User-Agent header starting with the string "Mozilla" as a defense mechanism. This defense is ins

Affected

• cpe anyscale/rayversion unspecified
• vendor Ray-Project Rayversion unspecified

Sources

• CISA KEVConfirmed exploitationCVE-2025-62593

  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.

  cisa.gov
• CVE.orgVulnerability recordCVE-2025-62593

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-62593

  30-day exploitation probability 62.5%

  first.org
• NIST NVDVulnerability recordCVE-2025-62593

  Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be exploited via a critical RCE vulnerability exploitable via Firefox and Safari. This vulnerability is due to an insufficient guard against browser-based attacks, as the c

  nvd.nist.gov

References

• CISA note · github.com
• CISA note · github.com
• CISA note · nvd.nist.gov
• Third Party Advisory · bitsight.com
• US Government Resource · cisa.gov
• CISA note · cisa.gov
• CISA note · cisa.gov