Oracle GraalVM Enterprise Edition, Oracle GraalVM for JDK and 1 more products — security advisory

{
  "id": "735bb9bc18ab796444bb9930eb184187441f7d17771f5ef2753ff761d7269845",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-83380",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-83380",
    "summary": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAAS). 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 read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).",
    "evidence": "cve:CVE-2026-83380",
    "products": [
      {
        "name": {
          "value": "Oracle Java SE",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Oracle GraalVM for JDK",
          "evidence": "/containers/cna/affected/1/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Oracle GraalVM Enterprise Edition",
          "evidence": "/containers/cna/affected/2/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-83380",
      "aliases": [
        "CVE-2026-83380"
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 5.3,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "integrityImpact": "NONE",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "NONE",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "LOW"
          }
        }
      ],
      "affected": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle Java SE",
          "versions": [
            {
              "status": "affected",
              "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"
            }
          ]
        },
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle GraalVM for JDK",
          "versions": [
            {
              "status": "affected",
              "version": "17.0.20.1"
            },
            {
              "status": "affected",
              "version": "21.0.12.1"
            }
          ]
        },
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle GraalVM Enterprise Edition",
          "versions": [
            {
              "status": "affected",
              "version": "21.3.19.1.1"
            }
          ]
        }
      ],
      "modified": "2026-10-27T13:39:42.444Z",
      "provider": "cve",
      "references": [
        "https://www.oracle.com/security-alerts/cpuoct2026.html"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-83380",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-27T13:38:23.757162Z"
                  }
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "lang": "en",
                    "type": "CWE",
                    "cweId": "CWE-200",
                    "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-27T13:39:42.444Z"
            }
          }
        ],
        "cna": {
          "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
          "shortName": "oracle",
          "dateUpdated": "2026-10-20T21:23:38.688Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-83380",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 392615,
  "published_at": "2026-10-20T21:23:38.688+00:00"
}