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java — security advisory

Type: advisorySources: OSVAdvisory ID: BIT-java-2026-21925

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: RMI). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

Products
java
Affected versions
Not specified
Fixed versions
1.8.0, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 8.0.481
CVEs
CVE-2026-21925
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 19:54 UTC · Revision 1

Source evidence

BIT-java-2026-21925

core-osv · Original source

Published 6 May 2026, 14:45 UTC

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: RMI). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

osv:BIT-java-2026-21925

java

Fixed versions: 1.8.0, 8.0.481, 11.0.30, 17.0.18, 21.0.10, 25.0.2

Complete source record
{
  "id": "a438d63f8433f9662a90d6cba9ed665f4460b9d8b5395c3dcf73b92f5b0a86d0",
  "url": "https://osv.dev/vulnerability/BIT-java-2026-21925",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "BIT-java-2026-21925",
    "summary": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: RMI). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. 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 update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).",
    "evidence": "osv:BIT-java-2026-21925",
    "products": [
      {
        "name": {
          "value": "java",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.8.0",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "8.0.481",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "11.0.30",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "17.0.18",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "21.0.10",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "25.0.2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "BIT-java-2026-21925",
      "aliases": [
        "BIT-java-2026-21925",
        "BIT-java-min-2026-21925",
        "BIT-jre-2026-21925",
        "CVE-2026-21925"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.8.0"
                },
                {
                  "introduced": "1.9.0"
                },
                {
                  "fixed": "8.0.481"
                },
                {
                  "introduced": "9.0.0"
                },
                {
                  "fixed": "11.0.30"
                },
                {
                  "introduced": "12.0.0"
                },
                {
                  "fixed": "17.0.18"
                },
                {
                  "introduced": "18.0.0"
                },
                {
                  "fixed": "21.0.10"
                },
                {
                  "introduced": "22.0.0"
                },
                {
                  "fixed": "25.0.2"
                }
              ]
            }
          ],
          "package": {
            "name": "java",
            "purl": "pkg:bitnami/java",
            "ecosystem": "Bitnami"
          },
          "severity": [
            {
              "type": "CVSS_V3",
              "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
            }
          ],
          "database_specific": {
            "source": "https://github.com/bitnami/vulndb/tree/main/data/java/BIT-java-2026-21925.json"
          }
        }
      ],
      "modified": "2026-10-16T09:45:24.815784642Z",
      "provider": "osv",
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2026-21925",
        "https://www.oracle.com/security-alerts/cpujan2026.html"
      ],
      "provider_metadata": {
        "cpes": [
          "cpe:2.3:a:bellsoft:libericajdk:*:*:*:*:*:*:*:*"
        ],
        "severity": "Medium"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-21925",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 338438,
  "published_at": "2026-05-06T14:45:59.793+00:00"
}