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    CVE-2026-27482

    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.

    Published:Feb 21, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 21, 2026
    EPSS Score:0.00053
    CVSS Score:5.9

    Affected Products

    Vendor
    Anyscale
    Product
    Ray
    Vendor
    Ray Project
    Product
    Ray

    Exploits

    https://github.com/ray-project/ray/security/advisories/GHSA-q5fh-2hc8-f6rq

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-32981 (CVSS 8.7) — A path traversal vulnerability was identified in Ray Dashboard (default port 8265) in Ray versions prior to 2.…
    CVE-2025-34351 — This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. At the request of the MITRE TL-Root…
    CVE-2025-62593 (CVSS 9.4) — Ray is an AI compute engine. Prior to version 2.52.0, developers working with Ray as a development tool can be…
    CVE-2023-48023 (CVSS 9.1) — Anyscale Ray 2.6.3 and 2.8.0 allows /log_proxy SSRF. NOTE: the vendor's position is that this report is irrele…
    CVE-2023-48022 (CVSS 9.8) — Anyscale Ray 2.6.3 and 2.8.0 allows a remote attacker to execute arbitrary code via the job submission API. NO…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High