{"id":"CVE-2026-77711","revision":"4c831e25b30747b8b2f370db94150bb0","records":[{"revision":"4c831e25b30747b8b2f370db94150bb0","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-77711","aliases":[],"title":"When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).","description":"When Jetty's `HttpClient` make a request to a server through a forward proxy, the server may reply with a 407 (Proxy Authentication Required).\n\n\n\nThe client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the `Proxy-Authentication` header, which arrives to the server, that now has access to the proxy credentials.","state":0,"publishedAt":"2026-10-15T08:51:48.066+00:00","modifiedAt":"2026-10-15T13:50:52.566+00:00","affected":[{"ecosystem":"Vendor product","name":"org.eclipse.jetty:jetty-client","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Eclipse Foundation\",\n                    \"product\": \"Eclipse Jetty\",\n                    \"packageName\": \"org.eclipse.jetty:jetty-client\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"12.1.0\",\n                            \"lessThanOrEqual\": \"12.1.12\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"12.0.0\",\n                            \"lessThanOrEqual\": \"12.0.38\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.0.0\",\n                            \"lessThanOrEqual\": \"11.0.32\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"10.0.0\",\n                            \"lessThanOrEqual\": \"10.0.32\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.4.0\",\n                            \"lessThanOrEqual\": \"9.4.64\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.2,"severity":"HIGH"}],"references":["https://github.com/jetty/jetty.project/security/advisories/GHSA-r2c5-3p8g-wpvw","https://gitlab.eclipse.org/security/cve-assignment/-/work_items/238"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77711","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-77711","identifiers":["CVE-2026-77711"]},"retained":false,"historicalAffected":[]}],"coverage":[]}