VulnerabilityAnalyzed

CVE-2026-34884

SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP.

CRITICAL 9.8EPSS 0.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.68% probability · 50th percentile
CISA KEV: Not listed
Weakness: CWE-918
Affected: apache/skywalking mcp
Source: security@apache.org

References

https://lists.apache.org/thread/s447p6h5dfr02lx17v27phoksgb8mkkpMailing List, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/13/5Mailing List, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.