---
id: CVE-2026-34476
aliases:
  - GHSA-c4hg-6933-x62x
  - GO-2026-5310
title: >-
  Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP
  Server
summary: >-
  Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP
  Server
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'
vendor: apache
product: github.com/apache/skywalking-mcp
ecosystem: go
affected:
  - github.com/apache/skywalking-mcp < 0.2.0
patched:
  - github.com/apache/skywalking-mcp 0.2.0
published: '2026-04-13'
updated: '2026-07-21'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-c4hg-6933-x62x'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-34476'
  - url: 'https://github.com/advisories/GHSA-c4hg-6933-x62x'
  - url: 'https://github.com/apache/skywalking-mcp'
  - url: 'https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr'
  - url: 'http://www.openwall.com/lists/oss-security/2026/04/13/4'
tags:
  - osv
  - go
epss: 0.0054
epssPercentile: 0.42926
ingestedAt: '2026-07-21T19:04:58.675Z'
---

## Overview

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.

## Affected packages

- `github.com/apache/skywalking-mcp < 0.2.0`

## Remediation

Upgrade to a patched release:

- `github.com/apache/skywalking-mcp 0.2.0`