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CRITICAL severity

Ray OS Command Injection vulnerabilityGHSA-h3xg-wv58-5p43

CRITICAL

GHSA-h3xg-wv58-5p43 is a critical-severity (CVSS 9.8) OS Command Injection vulnerability in ray. 4 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for ray — see the affected versions and patch details below.

Also known asCVE-2023-6019PYSEC-2026-519
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
4 known
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
74.6%probability of exploitation in next 30 days
Very High Risk0.00%
Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk
70.4%77.9%85.5%93.0%88.8%74.6%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍ray

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

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 Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIrayall versions2.8.1pip install --upgrade 'ray==2.8.1'

Affected Products

1 product · 1 configurations
Application
rayray_project
all
Exploits & PoCs
4

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-51978webappspython

Ray OS v2.6.3 - Command Injection RCE(Unauthorized)

by Fire_Wolf · Apr 12, 2024

Exploit-DB Source

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ray, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update ray to 2.8.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-h3xg-wv58-5p43 is resolved across your whole dependency graph.

  3. Workarounds

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

A command injection exists in Ray's cpu_profile URL parameter allowing attackers to execute os commands on the system running the ray dashboard remotely without authentication.
O3 Security · Impact-Aware SCA

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Ray OS Command Injection vulnerability (Critical 9.8)