Vulnerability · Published Apr 13, 2026 · Assigned by apache
CVE-2026-34476Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server
High 7.1
In plain English
A high-severity server-side request forgery in Apache SkyWalking MCP from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/apache/skywalking-mcp | 0.2.0 | GHSA-c4hg-6933-x62x |
| Go | github.com/apache/skywalking-mcp | 0.2.0 | GO-2026-5310 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache SkyWalking MCP | 0.1.0 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N