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CVE-2026-83378

Quick assessment

Affected
Oracle Corporation Oracle Java SE
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Oracle Java SE（组件：编译器）存在安全漏洞。受影响的受支持版本包括：Oracle Java SE 21.0.12.1、25.0.4.1 和 27。该漏洞利用难度较高，允许具备网络访问权限的未认证攻击者通过多种协议对 Oracle Java SE 实施攻击。成功利用此漏洞可能导致对部分 Oracle Java SE 可访问数据的未授权更新、插入或删除操作，以及对部分 Oracle Java SE 可访问数据的未授权读取。注意：该漏洞仅可通过向指定组件的 API 提供数据来利用，且无需借助不可信的 Jav

CVSS 4.8 · Medium EPSS 0.22% · P12

Affected Version Matrix 3

VendorProduct Version RangeStatus
Oracle Corporation Oracle Java SE 21.0.12.1 affected
25.0.4.1 affected
27 affected
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I. Basic Information for CVE-2026-83378

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in Oracle Java SE (component: Compiler). Supported versions that are affected are Oracle Java SE: 21.0.12.1, 25.0.4.1 and 27. 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 update, insert or delete access to some of Oracle Java SE accessible data as well as unauthorized read access to a subset of Oracle Java SE 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 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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Oracle Corporation Oracle Java SE 21.0.12.1 -

II. Public POCs for CVE-2026-83378

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III. Intelligence Information for CVE-2026-83378

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Vendor Advisories for CVE-2026-83378 (1)

Same Patch Batch · Oracle Corporation · 2026-10-20 · 1076 CVEs total

CVE-2026-91299 10.0 CRITICAL Oracle JD Edwards 9.2.0-9.2.26.5远程代码执行漏洞
CVE-2026-91216 10.0 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程代码执行漏洞
CVE-2026-91221 10.0 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程代码执行漏洞
CVE-2026-91231 10.0 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程代码执行漏洞
CVE-2026-87337 10.0 CRITICAL Oracle Access Manager 12.2.1.4.0/14.1.2.1.0 远程代码执行
CVE-2026-101809 10.0 CRITICAL Oracle EBS 12.2.3-15 Workflow 远程接管漏洞
CVE-2026-91250 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞
CVE-2026-91232 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0 和 14.1.2.0.0 远程代码执行漏洞
CVE-2026-91222 9.9 CRITICAL Oracle BPM Suite 12.2.1.4.0/14.1.2.0.0 SOAP 远程接管漏洞
CVE-2026-91224 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞
CVE-2026-91637 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程接管漏洞
CVE-2026-91638 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程接管漏洞
CVE-2026-101503 9.9 CRITICAL Oracle Trusted Answer Search 26.1 远程代码执行漏洞
CVE-2026-101501 9.9 CRITICAL Oracle Trusted Answer Search 26.1 PL/SQL远程代码执行漏洞
CVE-2026-101446 9.9 CRITICAL Oracle Siebel CRM 17.0-26.9 远程接管漏洞
CVE-2026-91663 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程代码执行漏洞
CVE-2026-91354 9.9 CRITICAL Oracle Outside In 8.5.8远程代码执行漏洞
CVE-2026-91658 9.9 CRITICAL Oracle Essbase 21.8.3.0.0 远程代码执行漏洞
CVE-2026-101528 9.9 CRITICAL Oracle Enterprise Manager 13.5/24.1 远程代码执行漏洞
CVE-2026-91251 9.9 CRITICAL Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞

Showing top 20 of 1076 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Oracle Java SE
Same vendor: Oracle Corporation

V. Comments for CVE-2026-83378

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