---
id: CVE-2026-101737
title: 'Vulnerability in Oracle Java SE (component: Compiler)'
summary: >-
  Vulnerability in Oracle Java SE (component: Compiler).   The supported version
  that is affected is Oracle Java SE: 26.0.2. Difficult to exploit vulnerability
  allows unauthenticated attacker with network access via multiple protocols to
  c…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
vendor: Oracle Corporation
product: Oracle Java SE
affected:
  - oracle_java_se 26.0.2
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:22:36.614Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-101737'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.937Z'
---

## Overview

Vulnerability in Oracle Java SE (component: Compiler).   The supported version that is affected is Oracle Java SE: 26.0.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE. 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 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).

## Affected

- `oracle_java_se 26.0.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.