CVE-2026-27482

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Ray is an AI compute engine. In versions 2.53.0 and below, thedashboard HTTP server blocks browser-origin POST/PUT but does not cover DELETE, and key DELETE endpoints are unauthenticated by default. If the dashboard/agent is reachable (e.g., --dashboard-host=0.0.0.0), a web page via DNS rebinding or same-network access can issue DELETE requests that shut down Serve or delete jobs without user interaction. This is a drive-by availability impact. The fix for this vulnerability is to update to Ray 2.54.0 or higher.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-396

Affected software

Vendor	Product	Versions
ray-project	ray	< 2.54.0

References

https://github.com/ray-project/ray/commit/0fda8b824cdc9dc6edd763bb28dfd7d1cc9b02a4Patch
https://github.com/ray-project/ray/pull/60526Issue Tracking, Patch
https://github.com/ray-project/ray/releases/tag/ray-2.54.0Product, Release Notes
https://github.com/ray-project/ray/security/advisories/GHSA-q5fh-2hc8-f6rqExploit, Vendor Advisory

Timeline

Published: Feb 21, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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