CVE-2026-34476— Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server
Quick assessment
Affected
Apache Software Foundation Apache SkyWalking MCP
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.
Apache SkyWalking MCP是Apache基金会的一个面向分布式系统的可观测性数据管理与处理组件。 Apache SkyWalking MCP 0.1.0版本存在安全漏洞，该漏洞源于SW-URL标头存在服务端请求伪造。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-34476
Vulnerability Information
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Vulnerability Title
Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server
Source: CVE Program / CVE List V5
Vulnerability Description
Server-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP.
This issue affects Apache SkyWalking MCP: 0.1.0.
Users are recommended to upgrade to version 0.2.0, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache SkyWalking MCP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache SkyWalking MCP是Apache基金会的一个面向分布式系统的可观测性数据管理与处理组件。 Apache SkyWalking MCP 0.1.0版本存在安全漏洞，该漏洞源于SW-URL标头存在服务端请求伪造。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache SkyWalking MCP | 0.1.0 | - |
|
II. Public POCs for CVE-2026-34476
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Apache Software Foundation · 2026-04-13 · 5 CVEs total
| CVE-2026-33858 | Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass | |
| CVE-2025-66236 | Apache Airflow: Secrets from Airflow config file logged in plain text in DAG run logs UI | |
| CVE-2026-35337 | Apache Storm Client: RCE through Unsafe Deserialization via Kerberos TGT Credential Handli | |
| CVE-2026-35565 | Apache Storm UI: Stored Cross-Site Scripting (XSS) via Unsanitized Topology Metadata in St |
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V. Comments for CVE-2026-34476
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