{"id":"CVE-2026-91417","title":"openjdk: Enhance CORBA (Oracle CPU 2026-10) (CVE-2026-91417)","summary":"A flaw was found in the Common Object Request Broker Architecture (CORBA) component of OpenJDK. An unauthenticated remote attacker could exploit this flaw by sending specially crafted data to exposed application programming interfaces (API…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","cvssSource":"vendor","cwe":"CWE-770","vendor":"Red Hat","product":"Red Hat Enterprise Linux 7","affected":["build_of_openjdk 1.8","enterprise_linux 6","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9"],"published":"2026-10-20","updated":"2026-10-22","sourceUpdated":"2026-10-22T22:00:43+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91417.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91417.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-91417"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2557953"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91417"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91417"},{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00306,"epssPercentile":0.23276,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-22T18:42:52.658878Z"},"ingestedAt":"2026-10-20T22:23:33.762Z","slug":"CVE-2026-91417","body":"## Overview\n\nA flaw was found in the Common Object Request Broker Architecture (CORBA) component of OpenJDK. An unauthenticated remote attacker could exploit this flaw by sending specially crafted data to exposed application programming interfaces (APIs) over the network. A successful attack can result in a partial Denial of Service (DoS), degrading application availability.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat build of OpenJDK 1.8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat build of OpenJDK 1.8, Red Hat Enterprise Linux 8, … · updated 2026-10-22 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91417.json)\n\n**openjdk: Enhance CORBA (Oracle CPU 2026-10)** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-22.\n\nAffected:\n\n- Red Hat build of OpenJDK 1.8\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n- Red Hat build of OpenJDK 1.8\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n\nNot affected:\n\n- Red Hat build of OpenJDK 11 ELS\n- Red Hat build of OpenJDK 17\n- Red Hat build of OpenJDK 21\n- Red Hat build of OpenJDK 25\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat Hardened Images\n\n## Remediation\n\nOut of support scope","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}