{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-89058", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-10T18:20:52.114Z", "datePublished": "2026-09-18T07:20:29.162Z", "dateUpdated": "2026-11-11T11:37:40.698Z" }, "containers": { "cna": { "title": "Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildcard config", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in RESTEasy's CorsFilter, which, when configured to allow all origins (\"*\"), reflects the request's Origin header back in the Access-Control-Allow-Origin response together with Access-Control-Allow-Credentials: true. This permissive cross-origin policy allows a malicious website to make credentialed cross-origin requests and read authenticated responses from a victim's session, resulting in a loss of confidentiality." } ], "affected": [ { "vendor": "Red Hat", "versions": [ { "status": "affected", "version": "0", "lessThan": "6.2.19.Final", "versionType": "maven" }, { "status": "affected", "version": "7.0.0.Alpha1", "lessThan": "7.0.5.Final", "versionType": "maven" } ], "packageName": "RESTEasy", "collectionURL": "https://github.com/resteasy/resteasy", "defaultStatus": "unaffected" }, { "vendor": "Red Hat", "product": "Red Hat Build of Apache Camel 3.33.4.redhat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "org.jboss.resteasy/resteasy-core", "defaultStatus": "affected", "versions": [ { "version": "6.2.19.Final-redhat-00003", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:apache_camel_quarkus:3.33" ] }, 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