{"id":"CVE-2026-41715","state":"PUBLISHED","title":"Reactor Netty HTTP Client Leaks Credentials On Protocol Downgrade Redirect","description":"In specific scenarios involving HTTP redirects from a secure to an insecure endpoint, the Reactor Netty HTTP client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.\n\nAffected versions:\nReactor Netty 1.0.0 through 1.0.51; 1.1.0 through 1.1.35; 1.2.0 through 1.2.17; 1.3.0 through 1.3.5.","publishedAt":"2026-06-09T03:48:41.439Z","updatedAt":"2026-06-23T20:46:09.111Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"vmware"},"assigner":"vmware","products":["Spring Reactor Netty"],"affected":[{"vendor":"Spring","product":"Reactor Netty","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","lessThan":"1.0.52","versionType":"custom"},{"version":"1.1.0","status":"affected","lessThan":"1.1.36","versionType":"custom"},{"version":"1.2.0","status":"affected","lessThan":"1.2.17.1","versionType":"custom"},{"version":"1.3.0","status":"affected","lessThan":"1.3.15.1","versionType":"custom"}]}],"references":["https://spring.io/security/cve-2026-41715"],"weaknesses":["CWE-522"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41715.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41715","state":"PUBLISHED","datePublished":"2026-06-09T03:48:41.439Z","dateUpdated":"2026-06-23T20:46:09.111Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-04-22T06:21:37.020Z"},"containers":{"cna":{"title":"Reactor Netty HTTP Client Leaks Credentials On Protocol Downgrade Redirect","descriptions":[{"lang":"en","value":"In specific scenarios involving HTTP redirects from a secure to an insecure endpoint, the Reactor Netty HTTP client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.\n\nAffected versions:\nReactor Netty 1.0.0 through 1.0.51; 1.1.0 through 1.1.35; 1.2.0 through 1.2.17; 1.3.0 through 1.3.5."}],"affected":[{"vendor":"Spring","product":"Reactor Netty","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","lessThan":"1.0.52","versionType":"custom"},{"version":"1.1.0","status":"affected","lessThan":"1.1.36","versionType":"custom"},{"version":"1.2.0","status":"affected","lessThan":"1.2.17.1","versionType":"custom"},{"version":"1.3.0","status":"affected","lessThan":"1.3.15.1","versionType":"custom"}]}],"references":[{"url":"https://spring.io/security/cve-2026-41715"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-522","lang":"en","description":"CWE-522: Insufficiently Protected Credentials","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-06-23T20:46:09.111Z"},"impacts":[{"descriptions":[{"lang":"en","value":"The Reactor Netty HTTP client may expose credentials when following a redirect from a secure (HTTPS) to an insecure (HTTP) endpoint, leading to information disclosure."}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-09T13:43:15.959618Z","id":"CVE-2026-41715","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-09T13:43:25.100Z"}}]}}}