🛡️ CVE-2026-34476 — skywalking-mcp

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-918 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity low, availability none.

Weakness class

CVE-2026-34476 is classified as CWE-918: Server-Side Request Forgery (SSRF). The server fetches a URL supplied by the caller, which can be pointed at internal systems it alone can reach.

Affected software

CVE-2026-34476 is recorded against 2 packages.

  • github.com/apache/skywalking-mcp
  • skywalking-mcp (from 0.1.0 up to 0.2.0)

Timeline and source

Published on 13 April 2026 and last revised on 21 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

nvd.nist.gov (Advisory)
github.com (Advisory)
github.com (Package)
lists.apache.org (Web)
www.openwall.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE CWE-918
Public Exploit ✅ No
Source NVD
Published 2026-04-13
Updated 2026-08-12
Modified 2026-07-21
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/apache/skywalking-mcp — —
skywalking-mcp 0.1.0 0.2.0

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