Paper/Archive/CVE-2026-34884

CVE-2026-34884

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

EPSS 0.7%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 52.8.528 × 2010.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Apache SkyWalking MCP0.1.0–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorylists.apache.org/thread/s447p6h5dfr02lx17v27phoksgb8mkkp refopenwall.com/lists/oss-security/2026/04/13/5