{"id":"CVE-2026-103030","revision":null,"records":[{"revision":"9595cc02150a42948464f5c8a18fedea","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103030","aliases":[],"title":"Dio: Cross-origin redirect leaks sensitive request headers in `dio_http2_adapter`","description":"Dio is a powerful HTTP client for Dart and Flutter. From 1.0.0 until 2.8.0, dio_http2_adapter follows redirects in Http2Adapter._fetch by copying the original RequestOptions.headers into the redirected HTTP/2 request without comparing the source and destination origins. A server contacted by an application can return a cross-origin Location redirect to a different-origin destination, which then receives preserved Authorization, Cookie, and Proxy-Authorization headers because RequestOptions.copyWith retains the full header map. The issue applies when applications use Http2Adapter for authenticated requests, and redirect following is enabled by default. This issue is fixed in version 2.8.0.","state":0,"publishedAt":"2026-10-13T16:31:34.989+00:00","modifiedAt":"2026-10-13T17:53:14.033+00:00","affected":[{"ecosystem":"Vendor product","name":"dio","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"cfug\",\n                    \"product\": \"dio\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 1.0.0, < 2.8.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://github.com/cfug/dio/security/advisories/GHSA-cr65-55v9-xhvv","https://github.com/cfug/dio/commit/9d7ac913340084f3b4987b121e076f28d637a81e","https://github.com/cfug/dio/releases/tag/http2_adapter_v2.8.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103030","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103030","identifiers":["CVE-2026-103030"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-2e6a476534094233b48f2f0b6da5cf35","complete":true,"records":13689,"lastAttemptAt":"2026-11-10T07:04:24.75366+00:00","lastSuccessAt":"2026-11-10T06:05:35.03+00:00","error":null,"lastVerifiedAt":"2026-11-10T06:05:35.03+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13742,"expectedIdentifiers":13742,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-10T07:03:58.7434242+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-10T07:03:58.7434242+00:00","lastSuccessAt":"2026-11-10T07:03:59.049149+00:00","error":null,"lastVerifiedAt":"2026-11-10T07:03:59.049149+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-d71a61bd41e147f4a9126c2a3d45b565","complete":false,"records":13695,"lastAttemptAt":"2026-11-10T07:04:24.141829+00:00","lastSuccessAt":"2026-11-10T07:04:24.138+00:00","error":"100 identifier lookups failed; latest failures include request timeout. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-10T07:04:24.138+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13642,"expectedIdentifiers":13742,"failedIdentifiers":100},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-cdffb4589856378aa42e8d1bd4a6c74e27a180d8160bf764c44715ef760f0a62","complete":true,"records":9932,"lastAttemptAt":"2026-11-10T07:03:58.6990249+00:00","lastSuccessAt":"2026-11-10T00:04:19.8260565+00:00","error":null,"lastVerifiedAt":"2026-11-10T07:03:58.6990249+00:00","snapshotPublishedAt":"2026-11-09T23:48:01+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-26503967ae4379db8f374089589d6e03fb15bd31f820c9e992aaf93840c2236c","complete":true,"records":1971,"lastAttemptAt":"2026-11-10T07:02:14.8606265+00:00","lastSuccessAt":"2026-11-09T21:02:20.472473+00:00","error":null,"lastVerifiedAt":"2026-11-10T07:02:14.8606265+00:00","snapshotPublishedAt":"2026-11-09T20:18:18+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-14f555fdbdce5e9103ab1251a692b612ea1fcd0b3d538af6015a071f4b299249","complete":true,"records":3065,"lastAttemptAt":"2026-11-10T07:03:58.7132407+00:00","lastSuccessAt":"2026-11-10T06:04:36.7449268+00:00","error":null,"lastVerifiedAt":"2026-11-10T07:03:58.7132407+00:00","snapshotPublishedAt":"2026-11-10T05:33:02+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-d4d3fe345e4cd6b7d1a871cd960b91062a9e5364cd12e8b83dd56ff53c80f866","complete":true,"records":231596,"lastAttemptAt":"2026-11-10T07:03:58.5742559+00:00","lastSuccessAt":"2026-11-10T07:03:57.1903356+00:00","error":null,"lastVerifiedAt":"2026-11-10T07:03:58.5742559+00:00","snapshotPublishedAt":"2026-11-10T06:33:16+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}