{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47874","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-05-20T10:00:57.077Z","datePublished":"2026-08-26T23:49:26.907Z","dateUpdated":"2026-08-27T13:12:29.108Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-08-26T23:49:26.907Z"},"title":"Reactor Netty HTTP Server Denial of Service With Pipelined Requests","problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory."}]}],"affected":[{"vendor":"Spring","product":"Reactor Netty","versions":[{"status":"affected","version":"1.3.0","lessThanOrEqual":"1.3.6","versionType":"custom"},{"status":"affected","version":"1.1.0","lessThanOrEqual":"1.2.18","versionType":"custom"},{"status":"affected","version":"0","lessThanOrEqual":"1.0.52","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory.\nReactor Netty 1.3.0 - 1.3.6\nReactor Netty 1.1.0 - 1.2.18\nReactor Netty 1.0.52 and earlier","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory.</p><p>Reactor Netty 1.3.0 - 1.3.6<br/>Reactor Netty 1.1.0 - 1.2.18<br/>Reactor Netty 1.0.52 and earlier</p>"}]}],"references":[{"url":"https://spring.io/security/cve-2026-47874"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"}}],"source":{"discovery":"UNKNOWN"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-770","lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T13:11:46.922489Z","id":"CVE-2026-47874","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-27T13:12:29.108Z"}}]}}