{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54290", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-12T17:46:37.293Z", "datePublished": "2026-06-22T17:15:35.689Z", "dateUpdated": "2026-06-22T17:26:12.791Z"}, "containers": {"cna": {"title": "Hono: CORS Middleware reflects any Origin with credentials when `origin` defaults to the wildcard", "problemTypes": [{"descriptions": [{"cweId": "CWE-942", "lang": "en", "description": "CWE-942: Permissive Cross-domain Policy with Untrusted Domains", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/honojs/hono/security/advisories/GHSA-88fw-hqm2-52qc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/honojs/hono/security/advisories/GHSA-88fw-hqm2-52qc"}], "affected": [{"vendor": "honojs", "product": "hono", "versions": [{"version": "< 4.12.25", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-22T17:15:35.689Z"}, "descriptions": [{"lang": "en", "value": "Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, with credentials: true and no explicit origin (the default wildcard), the CORS Middleware reflects the request's Origin and sends Access-Control-Allow-Credentials: true. Any site can then make credentialed cross-origin requests and read the responses, exposing cookie-authenticated endpoints to arbitrary origins. This vulnerability is fixed in 4.12.25."}], "source": {"advisory": "GHSA-88fw-hqm2-52qc", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-22T17:26:00.514535Z", "id": "CVE-2026-54290", "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": "2026-06-22T17:26:12.791Z"}}]}}

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