{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47848","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-05-20T10:00:53.146Z","datePublished":"2026-08-26T19:22:26.712Z","dateUpdated":"2026-08-26T19:44:38.993Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-08-26T19:22:26.712Z"},"title":"Reactor Netty WebSocket Client Leaks Credentials On Redirect","problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects."}]}],"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":"In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.\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>In specific scenarios involving WebSocket handshake redirects to a different origin, the Reactor Netty WebSocket client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.</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-2026-47848"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"source":{"discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T19:32:14.201075Z","id":"CVE-2026-47848","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2026-08-26T19:44:38.993Z"}}]}}