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VulnerabilityPublished Updated

CVE-2026-27482: ray · Declaration of Catch for Generic Exception

Affects raySource CVE Database V5

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Not known to be exploited · CVSS 5.9 Medium : upgrade to 2.54.0 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.54.0
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade ray to 2.54.0.

Affected software

ProductAffectedFixed in
ray-projectrayAffected
  • <2.54.0
Fixed in
  • 2.54.0

AI-suggested

To mitigate CVE-2026-27482, organizations should immediately upgrade all Ray deployments to version 2.54.0 or later, where the vulnerability is fixed. Additionally, administrators should ensure that the dashboard and agent interfaces are not exposed to untrusted networks; bind the dashboard to localhost or internal IPs rather than 0.0.0.0. Implement network-level controls such as firewalls or VPNs to restrict access to the dashboard. Disable or restrict DELETE HTTP methods on the dashboard server if possible. Monitor network traffic for suspicious DELETE requests targeting the dashboard endpoints. Employ DNS rebinding protections in browsers and network infrastructure to prevent malicious web pages from exploiting this vector. Finally, review and harden authentication and authorization mechanisms for all management interfaces to prevent unauthenticated access.

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.

References

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