CVE-2026-89058

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{"acknowledgement": "Red Hat would like to thank Yu Bao (PayPal Cyber Security Team) for reporting this issue.", "bugzilla": {"description": "resteasy-core: RESTEasy: CorsFilter Reflects Arbitrary Origin with Credentials under Wildcard Config", "id": "2519775", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519775"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N", "status": "draft"}, "details": ["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. 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