Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAXP). 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 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 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 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
Published: 2026-10-20
Score: 3.7 Low
EPSS: < 1% Very Low
KEV: No
Impact: Integrity Compromise
Action: Apply Patches
AI Analysis

Impact

Vulnerability exists in the JAXP component of Oracle Java SE and GraalVM products, representing weaknesses identified as CWE-91 and CWE-200. An unauthenticated attacker with network access can exploit this defect through multiple protocols to bypass security controls and gain unauthorized update, insert or delete privileges over accessible data, while the presence of CWE-200 indicates a potential for information disclosure. The primary consequence is a loss of data integrity, as malicious actors could alter or erase information without permission.

Affected Systems

Oracle vendors are impacted across Java SE and GraalVM lines. Affected Oracle Java SE releases include 8u503, 8u503‑perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, and 27. Oracle GraalVM for JDK is affected in versions 17.0.20.1 and 21.0.12.1, while Oracle GraalVM Enterprise Edition 21.3.19.1.1 is also vulnerable. Any deployment using the JAXP component in these versions is at risk.

Risk and Exploitability

The CVSS base score of 3.7 indicates low severity, and the EPSS score is <1%, suggesting limited exploitation data. The vulnerability is not listed in the CISA KEV catalog. The likely attack vector is network‑based, requiring an unauthenticated attacker to communicate via one of the supported protocols to the JAXP‑exposed APIs—such as a web service feeding untrusted data. Successful exploitation permits data modification but does not provide remote code execution or wide‑scale system compromise.

Generated by OpenCVE AI on October 28, 2026 at 16:55 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update Oracle Java SE, GraalVM for JDK, and GraalVM Enterprise Edition to patched versions that eliminate the JAXP flaw.
  • Restrict or disable the JAXP APIs if they are not essential to application functionality.
  • Ensure that any untrusted code loaded by Java Web Start applications or applets is executed under the correct sandbox and security policy.
  • If immediate patching is not possible, isolate the affected services from external network traffic or limit the protocols that interact with the JAXP component.

Generated by OpenCVE AI on October 28, 2026 at 16:55 UTC.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4861-1 openjdk-17 security update
History

Wed, 28 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 22 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285
CWE-611

Thu, 22 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Title Unauthorized Data Modification via JAXP Component in Oracle Java and GraalVM openjdk: Enhance Template Handling (Oracle CPU 2026-10)
Weaknesses CWE-91
References
Metrics threat_severity

None

 threat_severity

Low

Wed, 21 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Oracle oracle Java Se
Vendors & Products Oracle oracle Java Se

Wed, 21 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Title Unauthorized Data Modification via JAXP Component in Oracle Java and GraalVM
Weaknesses CWE-285
CWE-611

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Description Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAXP). 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 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 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 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
First Time appeared Oracle
Oracle graalvm
Oracle graalvm For Jdk
Oracle java Se
CPEs cpe:2.3:a:oracle:graalvm:21.3.19.1.1:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:17.0.20.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:21.0.12.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:11.0.32.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:17.0.20.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:21.0.12.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:25.0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:27:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:*
cpe:2.3:a:oracle:java_se:8u503:*:*:*:enterprise_performance:*:*:*
Vendors & Products Oracle
Oracle graalvm
Oracle graalvm For Jdk
Oracle java Se
References
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Subscriptions

Oracle Graalvm Graalvm For Jdk Java Se Oracle Java Se
cve-icon MITRE

Status: PUBLISHED

Assigner: oracle

Published:

Updated: 2026-10-28T14:10:24.355Z

Reserved: 2026-09-08T21:49:12.414Z

Link: CVE-2026-87367

cve-icon Vulnrichment

Updated: 2026-10-28T14:09:57.535Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T22:20:14.727

Modified: 2026-10-28T15:17:04.867

Link: CVE-2026-87367

cve-icon Redhat

Severity : Low

Publid Date: 2026-10-20T21:24:19Z

Links: CVE-2026-87367 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T17:00:17Z

Weaknesses
  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor

  • CWE-91

    XML Injection (aka Blind XPath Injection)