TI-2026-27116 Aliases CVE-2026-34884 GHSA-fvf9-f2mx-m7qp

Apache SkyWalking MCP: SSRF via set_skywalking_url Tool and GraphQL Expression Injection in MCP Server

MEDIUM 50CWE-918Published 2026-08-18 · Updated 2026-08-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

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

Summary

SSRF via set_skywalking_url Tool and GraphQL expression injection 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 0.0069 53rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

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

Apache SkyWalking MCP VendorApache Affected 0.1.0 Fixed in — No fix listed CNA

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

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-34884
2026-10-03 Alias added: GHSA-fvf9-f2mx-m7qp

References

Advisory 2

TI-2026-26734 Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server CVSS 3.1HIGH 7.1

Sources

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