CVE-2026-11815— Insecure Deserialization via MITM in Layer 7 Policy Manager
Quick assessment
Affected
Broadcom Layer 7 API Gateway
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.
Broadcom Layer7 API Gateway是美国博通（Broadcom）公司的一个企业级API网关平台。 Broadcom Layer7 API Gateway存在代码问题漏洞，该漏洞源于客户端应用和API网关服务器之间，拦截和篡改流量可能导致反序列化任意对象，进而导致安全预期破坏或远程代码执行。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Broadcom | Layer 7 API Gateway | 11.2.1 |
affected |
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I. Basic Information for CVE-2026-11815
Vulnerability Information
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Vulnerability Title
Insecure Deserialization via MITM in Layer 7 Policy Manager
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker who intercepts and tampers with traffic between the client application and the API Gateway server could potentially deserialize arbitrary objects. This vulnerability could lead to broken security expectations or remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Broadcom Layer7 API Gateway 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Broadcom Layer7 API Gateway是美国博通（Broadcom）公司的一个企业级API网关平台。 Broadcom Layer7 API Gateway存在代码问题漏洞，该漏洞源于客户端应用和API网关服务器之间，拦截和篡改流量可能导致反序列化任意对象，进而导致安全预期破坏或远程代码执行。
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 |
|---|---|---|---|---|
| Broadcom | Layer 7 API Gateway | 11.2.1 | - |
|
II. Public POCs for CVE-2026-11815
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-11815 (1)
-
🔗 Sign In vendor-advisory
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