🔥 一个最高严重级别（10.0）的漏洞，可实现对 Oracle 中间件系统的未认证远程访问。
CVE ID : CVE-2026-21962
Severity : CRITICAL
Published : 2026-01-20
Category : Authentication Bypass
CWE : CWE-284 (Improper Access Control)
- Authentication boundary is improperly enforced
- Crafted HTTP requests bypass access control
+ Direct access to protected backend resources
⚡ 无需登录 — 攻击者可直接与暴露的服务交互。
+ Full unauthorized access to application data
+ Data tampering or deletion
+ Backend system exposure through proxy chain
+ Potential lateral movement across services
| 属性 | 值 |
|---|---|
| 🌍 攻击向量 | 网络 |
| ⚙️ 攻击复杂度 | 低 |
| ❌ 所需权限 | 无 |
| 👤 用户交互 | 无 |
| 🔄 影响范围 | 已改变 |
Apache
IIS
+ Apply latest Oracle Critical Patch Update (Jan 2026)
# Reduce exposure
- Restrict proxy endpoints
- Limit external access
- Enforce network segmentation
# Detection & monitoring
- Enable HTTP request inspection
- Log and analyze anomalies
- Deploy WAF protections
+ Unexpected HTTP requests to proxy endpoints
+ Access without authentication tokens
+ Irregular request patterns or headers
+ Sudden spikes in backend responses
| 因素 | 评级 |
|---|---|
| 🔥 严重性 | 严重 |
| ⚡ 可利用性 | 高 |
| 💥 影响 | 最高 |
Entry Point : HTTP Request
Attack Type : Remote
Auth Needed : No
Skill Level : Low
🚨 暴露在互联网上的系统面临即时风险。 🔓 身份验证可被完全绕过。 🛠️ 请立即修补或隔离受影响的服务。
[ Attacker ]
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[ Crafted HTTP Request ]
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[ Proxy Bypass ]
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[ Backend Access ]
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[ Data Compromise ]
- This vulnerability requires immediate attention
- Delayed patching significantly increases risk
+ Treat as actively exploitable in real-world scenarios