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Vulnerability Intelligence

CVE-2023-6019

CriticalPublic exploit

Ray OS Command Injection vulnerability

Published Nov 16, 2023 · Updated Sep 10, 2026 · Also known as GHSA-h3xg-wv58-5p43, PYSEC-2026-519

Key Facts

Patch immediately
  • CVE-2023-6019 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Ray (Ray Project), ray-project/ray.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 75% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Ray 2.8.1.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

75%

Higher than 99.4% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-6019 brief as a PDF

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Description

A command injection existed in Ray's cpu_profile URL parameter allowing attackers to execute os commands on the system running the ray dashboard remotely without authentication. The issue is fixed in version 2.8.1+. Ray maintainers' response can be found here: https://www.anyscale.com/blog/update-on-ray-cves-cve-2023-6019-cve-2023-6020-cve-2023-6021-cve-2023-48022-cve-2023-48023

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
RayRay ProjectSee advisory2.8.1
ray-project/ray>= unspecifiedn/a

Patched Releases

Ray

2.8.1

Timeline

  1. Publicly disclosed

    Nov 16, 2023

  2. Last updated

    Sep 10, 2026

Weakness Type

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

4 more references in the full CVE brief

FAQ

Common Questions.

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