TI-2026-26734 Aliases CVE-2026-34476 GHSA-c4hg-6933-x62x

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

LOW 32CWE-918Published 2026-04-13 · Updated 2026-04-13

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00477 41st percentileScored 2026-11-07

Fix Fixed github.com/apache/skywalking-mcp (Go): 0.2.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apache	Apache SkyWalking MCP	0.1.0	—	No fix listed	CNA
—	github.com/apache/skywalking-mcp (Go)	before 0.2.0	0.2.0	Patch available	GHSA-c4hg-6933-x62x

Apache SkyWalking MCP VendorApache Affected 0.1.0 Fixed in — No fix listed CNA
github.com/apache/skywalking-mcp (Go) Vendor— Affected before 0.2.0 Fixed in 0.2.0 Patch available GHSA-c4hg-6933-x62x

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:apache:skywalking_mcp::::::::	0.1.0 to before 0.2.0	Vulnerable	Apache

cpe:2.3:a:apache:skywalking_mcp:*:*:*:*:*:*:*:* Versions 0.1.0 to before 0.2.0 Vulnerable ·Apache

Remediation

Fix · GHSA-c4hg-6933-x62x github.com/apache/skywalking-mcp (Go) Fixed in 0.2.0 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-34476
2026-10-03 Alias added: GHSA-c4hg-6933-x62x

References

Advisory 3

Other 2

TI-2026-27116 Apache SkyWalking MCP: SSRF via set_skywalking_url Tool and GraphQL Expression Injection in MCP Server CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences