{"id":"CVE-2026-27482","state":"PUBLISHED","title":"Ray: Dashboard DELETE endpoints allow unauthenticated browser-triggered DoS (Serve shutdown / job deletion)","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.","publishedAt":"2026-02-21T09:18:26.027Z","updatedAt":"2026-02-24T18:52:03.874Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["ray-project ray"],"affected":[{"vendor":"ray-project","product":"ray","versions":[{"version":"< 2.54.0","status":"affected"}]}],"references":["https://github.com/ray-project/ray/security/advisories/GHSA-q5fh-2hc8-f6rq","https://github.com/ray-project/ray/pull/60526","https://github.com/ray-project/ray/commit/0fda8b824cdc9dc6edd763bb28dfd7d1cc9b02a4","https://github.com/ray-project/ray/releases/tag/ray-2.54.0"],"weaknesses":["CWE-396"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27482.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27482","state":"PUBLISHED","datePublished":"2026-02-21T09:18:26.027Z","dateUpdated":"2026-02-24T18:52:03.874Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-19T19:46:03.540Z"},"containers":{"cna":{"title":"Ray: Dashboard DELETE endpoints allow unauthenticated browser-triggered DoS (Serve shutdown / job deletion)","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"ray-project","product":"ray","versions":[{"version":"< 2.54.0","status":"affected"}]}],"references":[{"url":"https://github.com/ray-project/ray/security/advisories/GHSA-q5fh-2hc8-f6rq","name":"https://github.com/ray-project/ray/security/advisories/GHSA-q5fh-2hc8-f6rq","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ray-project/ray/pull/60526","name":"https://github.com/ray-project/ray/pull/60526","tags":["x_refsource_MISC"]},{"url":"https://github.com/ray-project/ray/commit/0fda8b824cdc9dc6edd763bb28dfd7d1cc9b02a4","name":"https://github.com/ray-project/ray/commit/0fda8b824cdc9dc6edd763bb28dfd7d1cc9b02a4","tags":["x_refsource_MISC"]},{"url":"https://github.com/ray-project/ray/releases/tag/ray-2.54.0","name":"https://github.com/ray-project/ray/releases/tag/ray-2.54.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-396","lang":"en","description":"CWE-396: Declaration of Catch for Generic Exception","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-02-21T09:18:26.027Z"},"source":{"advisory":"GHSA-q5fh-2hc8-f6rq","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-24T18:51:47.465400Z","id":"CVE-2026-27482","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-24T18:52:03.874Z"}}]}}}