All vulnerabilities
CVE-2025-62593GHSA-q279-jhrf-cc6vPYSEC-2026-520

Ray-Project Ray Code Injection Vulnerability

Ray-Project RayPyPILibraries & packages
Open in ThreatlineRecord JSON
CVSS
9.4Critical
ExploitationExploited in the wildAdded to KEV 17 Aug 2026CISA KEV
Exploit odds (EPSS)62.5%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.52.0Fixed versionOSV
Federal deadline20 Aug 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply 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. CISA KEV
Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance

What fixes it

  • 2.52.0ray, PyPIOSVpip install "ray>=2.52.0"

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 26 Nov 2025, 22:28 UTCPublishedCVE List
  2. 17 Aug 2026Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateRay < 2.52.0 - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

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.

Text from CVE List

Affected versions 52

  • rayaffected: < 2.52.0CVE List
  • ray, PyPIfrom first release, fixed in 2.52.0OSV
  • ray, PyPI0.1.1OSV
  • ray, PyPI0.1.2OSV
  • ray, PyPI0.2.0OSV
  • ray, PyPI0.2.1OSV
  • ray, PyPI0.2.2OSV
  • ray, PyPI0.3.0OSV
  • ray, PyPI0.3.1OSV
  • ray, PyPI0.4.0OSV
  • ray, PyPI0.5.0OSV
  • ray, PyPI0.5.2OSV
  • ray, PyPI0.5.3OSV
  • ray, PyPI0.6.0OSV
  • ray, PyPI0.6.1OSV
  • ray, PyPI0.6.2OSV
  • ray, PyPI0.6.3OSV
  • ray, PyPI0.6.4OSV
  • ray, PyPI0.6.5OSV
  • ray, PyPI0.6.6OSV
  • ray, PyPI0.7.0OSV
  • ray, PyPI0.7.1OSV
  • ray, PyPI0.7.2OSV
  • ray, PyPI0.7.3OSV
  • ray, PyPI0.7.4OSV
  • ray, PyPI0.7.5OSV
  • ray, PyPI0.7.6OSV
  • ray, PyPI0.7.7OSV
  • ray, PyPI0.8.0OSV
  • ray, PyPI0.8.1OSV
  • ray, PyPI0.8.2OSV
  • ray, PyPI0.8.3OSV
  • ray, PyPI0.8.4OSV
  • ray, PyPI0.8.5OSV
  • ray, PyPI0.8.6OSV
  • ray, PyPI0.8.7OSV
  • ray, PyPI1.0.0OSV
  • ray, PyPI1.0.1OSV
  • ray, PyPI1.1.0OSV
  • ray, PyPI1.10.0OSV
  • ray, PyPI1.11.0OSV
  • ray, PyPI1.11.1OSV
  • ray, PyPI1.12.0OSV
  • ray, PyPI1.12.1OSV
  • ray, PyPI1.13.0OSV
  • ray, PyPI1.2.0OSV
  • ray, PyPI1.3.0OSV
  • ray, PyPI1.4.0OSV
  • ray, PyPI1.4.1OSV
  • ray, PyPI1.5.0OSV
  • ray, PyPI1.5.1OSV
  • ray, PyPI1.5.2OSV

References 5