What is CVE-2026-34476?

CVE-2026-34476 is a high-severity vulnerability in Apache Skywalking Mcp, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-04-13.

How severe is CVE-2026-34476?

High severity. CVSS v3 base score is 7.1 out of 10.

SSRF in Apache Skywalking Mcp

CVE-2026-34476

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Apache Skywalking_mcp
Apache Software Foundation Skywalking Mcp — versions 0.1.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)

Frequently asked questions

What is CVE-2026-34476?: CVE-2026-34476 is a high-severity vulnerability in Apache Skywalking Mcp, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.1/10. Published 2026-04-13.
How severe is CVE-2026-34476?: High severity. CVSS v3 base score is 7.1 out of 10.