CVE-2026-21945
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是美国甲骨文（Oracle）公司的一款用于开发和部署桌面、服务器以及嵌入设备和实时环境中的Java应用程序。 Oracle Java SE的Oracle Java SE、Oracle GraalVM for JDK和Oracle GraalVM Enterprise Edition存在安全漏洞，该漏洞源于未经验证的攻击者可通过多种协议网络访问进行攻击，可能导致拒绝服务。以下产品及版本受到影响：Oracle Java SE 8u471版本、8u471-b50版本、8u471-pe
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of ServiceAffected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Oracle Corporation | Oracle GraalVM Enterprise Edition | 21.3.16 |
affected |
| Oracle Corporation | Oracle GraalVM for JDK | 17.0.17 |
affected |
21.0.9 |
affected | ||
| Oracle Corporation | Oracle Java SE | 8u471 |
affected |
8u471-b50 |
affected | ||
8u471-perf |
affected | ||
11.0.29 |
affected | ||
17.0.17 |
affected | ||
21.0.9 |
affected | ||
25.0.1 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-21945
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). 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. Easily exploitable 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Oracle Java SE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Oracle Java SE是美国甲骨文（Oracle）公司的一款用于开发和部署桌面、服务器以及嵌入设备和实时环境中的Java应用程序。 Oracle Java SE的Oracle Java SE、Oracle GraalVM for JDK和Oracle GraalVM Enterprise Edition存在安全漏洞，该漏洞源于未经验证的攻击者可通过多种协议网络访问进行攻击，可能导致拒绝服务。以下产品及版本受到影响：Oracle Java SE 8u471版本、8u471-b50版本、8u471-pe
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Oracle Corporation | Oracle Java SE | 8u471 | - |
|
| Oracle Corporation | Oracle GraalVM for JDK | 17.0.17 | - |
|
| Oracle Corporation | Oracle GraalVM Enterprise Edition | 21.3.16 | - |
|
II. Public POCs for CVE-2026-21945
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-21945
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-21945 (1)
-
https://www.oracle.com/security-alerts/cpujan2026.html vendor-advisory
Same Patch Batch · Oracle Corporation · 2026-01-20 · 66 CVEs total
| CVE-2026-21962 | 10.0 CRITICAL | Oracle Fusion Middleware 安全漏洞 |
| CVE-2026-21969 | 9.8 CRITICAL | Oracle Supply Chain Products Suite 安全漏洞 |
| CVE-2026-21967 | 8.6 HIGH | Oracle Hospitality Applications 安全漏洞 |
| CVE-2026-21988 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21987 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21955 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21956 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21990 | 8.2 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21989 | 8.1 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21973 | 8.1 HIGH | Oracle Financial Services Applications 安全漏洞 |
| CVE-2026-21940 | 7.5 HIGH | Oracle Supply Chain 安全漏洞 |
| CVE-2026-21926 | 7.5 HIGH | Oracle Siebel CRM 安全漏洞 |
| CVE-2026-21957 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21983 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21982 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21984 | 7.5 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21932 | 7.4 HIGH | Oracle Java SE 安全漏洞 |
| CVE-2026-21976 | 7.1 HIGH | Oracle Analytics 安全漏洞 |
| CVE-2026-21986 | 7.1 HIGH | Oracle Virtualization 安全漏洞 |
| CVE-2026-21939 | 7.0 HIGH | Oracle Database Server 安全漏洞 |
Showing top 20 of 66 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-21945
No comments yet