CVE-2026-91462

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{"bugzilla": {"description": "openjdk: Enhance krb5 tokens (Oracle CPU 2026-10)", "id": "2557236", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557236"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-354", "details": ["Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JGSS). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).", "A flaw was found in the Java Generic Security Services (JGSS) component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted requests to exposed application programming interfaces (APIs), such as through a web service. A successful attack allows the unauthorized creation, deletion, or modification of critical data accessible to the application."], "name": "CVE-2026-91462", "package_state": [{"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Affected", "package_name": "java-11-openjdk", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Affected", "package_name": "java-11-openjdk-portable", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Affected", "package_name": "java-11-openjdk-windows", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Affected", "package_name": "java-17-openjdk-portable", "product_name": "Red Hat build of OpenJDK 17"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Affected", "package_name": "java-17-openjdk-windows", "product_name": "Red Hat build of OpenJDK 17"}, {"cpe": "cpe:/a:redhat:openjdk:1.8", 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{"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-17-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-1.8.0-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-21-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-25-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-17-openjdk-portable", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-21-openjdk", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-21-openjdk-portable", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-25-openjdk", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-25-openjdk-portable", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-20T21:26:06Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-91462\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91462\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "21.3.19.1.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle GraalVM Enterprise Edition", "source": "cna", "vendor": "Oracle Corporation"}, "product": "graalvm_enterprise_edition", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "17.0.20.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "21.0.12.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle GraalVM for JDK", "source": "cna", "vendor": "Oracle Corporation"}, "product": "graalvm_for_jdk", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8u503"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8u503-perf"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "11.0.32.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "17.0.20.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "21.0.12.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "25.0.4.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "27"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle Java SE", "source": "cna", "vendor": "Oracle Corporation"}, "product": "java_se", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8u503"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "8u503-perf"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "11.0.32.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "17.0.20.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "21.0.12.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "25.0.4.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "27"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle Java SE", "source": "cna", "vendor": "Oracle Corporation"}, "product": "oracle_java_se", "vendor": "oracle"}], "created": "2026-10-21T09:45:14.480504+00:00", "updated": "2026-10-24T05:00:19.703428+00:00", "vendors": ["oracle", "oracle$PRODUCT$graalvm_enterprise_edition", "oracle$PRODUCT$graalvm_for_jdk", "oracle$PRODUCT$java_se", "oracle$PRODUCT$oracle_java_se"]}