CVE-2026-91409
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：网络）存在漏洞。受影响的受支持版本为 Oracle Java SE 27。该漏洞利用难度较高，允许拥有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攻击者未经授权地引发 Oracle Java SE 的部分拒绝服务（Partial DoS）。 注意：此漏洞可通过指定组件中的 API 进行利用，例如通过向这些 API 提供数据的 Web 服务。该漏洞同样适用于 Java 部署环境，通常涉及运行沙箱化 Java Web Sta
Possible ATT&CK Techniques 2 AI
T1499.001 · OS Exhaustion Flood T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Oracle Corporation | Oracle Java SE | 27 |
affected |
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I. Basic Information for CVE-2026-91409
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in Oracle Java SE (component: Networking). The supported version that is affected is Oracle Java SE: 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 ability to cause a partial denial of service (partial DOS) of Oracle Java SE. 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 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
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 | 27 | - |
|
II. Public POCs for CVE-2026-91409
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-91409 (1)
Same Patch Batch · Oracle Corporation · 2026-10-20 · 1076 CVEs total
| 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-2026-91216 | 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-2026-87337 | 10.0 CRITICAL | Oracle Access Manager 12.2.1.4.0/14.1.2.1.0 远程代码执行 |
| CVE-2026-91231 | 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-2026-91299 | 10.0 CRITICAL | Oracle JD Edwards 9.2.0-9.2.26.5远程代码执行漏洞 |
| CVE-2026-101809 | 10.0 CRITICAL | Oracle EBS 12.2.3-15 Workflow 远程接管漏洞 |
| 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 |
| 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-2026-91354 | 9.9 CRITICAL | Oracle Outside In 8.5.8远程代码执行漏洞 |
| 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-2026-91232 | 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-2026-101446 | 9.9 CRITICAL | Oracle Siebel CRM 17.0-26.9 远程接管漏洞 |
| CVE-2026-101528 | 9.9 CRITICAL | Oracle Enterprise Manager 13.5/24.1 远程代码执行漏洞 |
| CVE-2026-91250 | 9.9 CRITICAL | Oracle SOA Suite 12.2.1.4.0/14.1.2.0.0 远程接管漏洞 |
| CVE-2026-101501 | 9.9 CRITICAL | Oracle Trusted Answer Search 26.1 PL/SQL远程代码执行漏洞 |
| CVE-2026-101503 | 9.9 CRITICAL | Oracle Trusted Answer Search 26.1 远程代码执行漏洞 |
| CVE-2026-91638 | 9.9 CRITICAL | Oracle Essbase 21.8.3.0.0 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-2026-91658 | 9.9 CRITICAL | Oracle Essbase 21.8.3.0.0 远程代码执行漏洞 |
| CVE-2026-91663 | 9.9 CRITICAL | Oracle Essbase 21.8.3.0.0 远程代码执行漏洞 |
Showing top 20 of 1076 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-91409
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