{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49456", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-30T02:43:33.107Z", "datePublished": "2026-09-03T18:15:54.213Z", "dateUpdated": "2026-09-03T18:29:02.239Z"}, "containers": {"cna": {"title": "Waku: Open Redirect via `unstable_redirect` Helper", "problemTypes": [{"descriptions": [{"cweId": "CWE-601", "lang": "en", "description": "CWE-601: URL Redirection to Untrusted Site ('Open Redirect')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/wakujs/waku/security/advisories/GHSA-43fc-v873-qw85", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/wakujs/waku/security/advisories/GHSA-43fc-v873-qw85"}, {"name": "https://github.com/wakujs/waku/pull/2090", "tags": ["x_refsource_MISC"], "url": "https://github.com/wakujs/waku/pull/2090"}, {"name": "https://github.com/wakujs/waku/releases/tag/v1.0.0-beta.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/wakujs/waku/releases/tag/v1.0.0-beta.1"}], "affected": [{"vendor": "wakujs", "product": "waku", "versions": [{"version": "< 1.0.0-beta.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-03T18:15:54.213Z"}, "descriptions": [{"lang": "en", "value": "Waku is the minimal React framework. Prior to version 1.0.0-beta.1, the unstable_redirect() helper exported from waku/router/server (packages/waku/src/router/define-router.tsx:156\u2013161) accepts an arbitrary string and reflects it unchanged into the HTTP Location response header with no URL validation, scheme restriction, or path-only enforcement. Any application that passes user-controlled input to this helper \u2014 the natural pattern documented in the JSDoc and official fixtures \u2014 is vulnerable to open redirect attacks. An attacker who convinces a victim to click a crafted link can silently redirect the browser to an arbitrary external domain, enabling phishing, credential harvesting, and OAuth token theft. Additionally, scheme-relative URLs (//evil.example/) bypass naive https?://-only allow-list filters that developers might add as ad-hoc mitigations. This issue has been patched in version 1.0.0-beta.1."}], "source": {"advisory": "GHSA-43fc-v873-qw85", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-03T18:28:38.059018Z", "id": "CVE-2026-49456", "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": "2026-09-03T18:29:02.239Z"}}]}}

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{"created": "2026-09-03T20:15:06.175916+00:00", "updated": "2026-09-03T20:15:06.175941+00:00", "vendors": []}