{"id":"CVE-2026-34476","aliases":["GHSA-c4hg-6933-x62x","GO-2026-5310"],"title":"Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server","summary":"Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","vendor":"apache","product":"github.com/apache/skywalking-mcp","ecosystem":"go","affected":["github.com/apache/skywalking-mcp < 0.2.0"],"patched":["github.com/apache/skywalking-mcp 0.2.0"],"published":"2026-04-13","updated":"2026-07-21","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-c4hg-6933-x62x","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34476"},{"url":"https://github.com/advisories/GHSA-c4hg-6933-x62x"},{"url":"https://github.com/apache/skywalking-mcp"},{"url":"https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/13/4"}],"tags":["osv","go"],"epss":0.00346,"epssPercentile":0.28209,"ingestedAt":"2026-07-21T19:04:58.675Z","slug":"CVE-2026-34476","body":"## Overview\n\nServer-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP.\n\nThis issue affects Apache SkyWalking MCP: 0.1.0.\n\nUsers are recommended to upgrade to version 0.2.0, which fixes this issue.\n\n## Affected packages\n\n- `github.com/apache/skywalking-mcp < 0.2.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `github.com/apache/skywalking-mcp 0.2.0`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}