{"id":"CVE-2026-91452","state":"PUBLISHED","title":"Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking).  Supported versions that are affec","description":"Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking).  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. Easily exploitable 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 update, insert or delete access to some of 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 5.3 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).","publishedAt":"2026-10-20T21:26:03.214Z","updatedAt":"2026-10-22T18:50:25.927Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"oracle"},"assigner":"oracle","products":["Oracle Corporation Oracle Java SE","Oracle Corporation Oracle GraalVM for JDK","Oracle Corporation Oracle GraalVM Enterprise Edition"],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Java SE","versions":[{"version":"8u503","status":"affected"},{"version":"8u503-perf","status":"affected"},{"version":"11.0.32.1","status":"affected"},{"version":"17.0.20.1","status":"affected"},{"version":"21.0.12.1","status":"affected"},{"version":"25.0.4.1","status":"affected"},{"version":"27","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle GraalVM for JDK","versions":[{"version":"17.0.20.1","status":"affected"},{"version":"21.0.12.1","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle GraalVM Enterprise Edition","versions":[{"version":"21.3.19.1.1","status":"affected"}]}],"references":["https://www.oracle.com/security-alerts/cpuoct2026.html"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91452.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91452","state":"PUBLISHED","datePublished":"2026-10-20T21:26:03.214Z","dateUpdated":"2026-10-22T18:50:25.927Z","assignerShortName":"oracle","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateReserved":"2026-09-14T22:10:16.635Z"},"containers":{"cna":{"descriptions":[{"lang":"en-US","value":"Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking).  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. Easily exploitable 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 update, insert or delete access to some of 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 5.3 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)."}],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Java SE","versions":[{"version":"8u503","status":"affected"},{"version":"8u503-perf","status":"affected"},{"version":"11.0.32.1","status":"affected"},{"version":"17.0.20.1","status":"affected"},{"version":"21.0.12.1","status":"affected"},{"version":"25.0.4.1","status":"affected"},{"version":"27","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle GraalVM for JDK","versions":[{"version":"17.0.20.1","status":"affected"},{"version":"21.0.12.1","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle GraalVM Enterprise Edition","versions":[{"version":"21.3.19.1.1","status":"affected"}]}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"lang":"en-US","description":"Easily exploitable 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data."}]}],"providerMetadata":{"shortName":"oracle","orgId":"43595867-4340-4103-b7a2-9a5208d29a85","dateUpdated":"2026-10-20T21:26:03.214Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:8u503:*:*:*:enterprise_performance:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:11.0.32.1:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:17.0.20.1:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:21.0.12.1:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:25.0.4.1:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:27:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:graalvm_for_jdk:17.0.20.1:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:graalvm_for_jdk:21.0.12.1:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:graalvm:21.3.19.1.1:*:*:*:enterprise:*:*:*"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-91452","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-22T18:47:48.061550Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","type":"CWE","description":"CWE-284 Improper Access Control"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-22T18:50:25.927Z"}}]}}}