{"id":"CVE-2026-34476","revision":null,"records":[{"revision":"360ef7ea738d4ed9b444cea1e2281c92","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-34476","aliases":[],"title":"Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server","description":"Server-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.","state":0,"publishedAt":"2026-04-13T13:01:31.156+00:00","modifiedAt":"2026-04-13T15:29:57.926+00:00","affected":[{"ecosystem":"Vendor product","name":"Apache SkyWalking MCP","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Apache SkyWalking MCP\",\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0.1.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-34476","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-34476","identifiers":["CVE-2026-34476"]},"retained":false,"historicalAffected":[]},{"revision":"e68e89e982ac48f2a26a704abfba7d02","observedAt":"2026-11-01T06:06:23.485+00:00","statement":{"source":"euvd","id":"EUVD-2026-21918","aliases":["CVE-2026-34476","GHSA-c4hg-6933-x62x"],"title":"Server-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP.","description":"Server-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.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1,"severity":null}],"references":["https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-21918","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 13, 2026, 1:01:31 PM","dateUpdated":"Apr 13, 2026, 3:29:57 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-21918","identifiers":["EUVD-2026-21918","CVE-2026-34476","GHSA-c4hg-6933-x62x"]},"retained":false,"historicalAffected":[]},{"revision":"d8255964cc2240a8918031a3084dd8b6","observedAt":"2026-10-27T09:03:00.507+00:00","statement":{"source":"nvd","id":"CVE-2026-34476","aliases":[],"title":"Server-Side Request Forgery via SW-URL Header vulnerability in Apache SkyWalking MCP.","description":"Server-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.","state":0,"publishedAt":"2026-04-13T13:16:40.847+00:00","modifiedAt":"2026-10-26T21:10:00.17+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":7.1,"severity":"HIGH"}],"references":["https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr","http://www.openwall.com/lists/oss-security/2026/04/13/4"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-34476","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-918"],"productCriteria":["cpe:2.3:a:apache:skywalking_mcp:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-04-13T13:16:40.847","lastModified":"2026-10-26T21:10:00.170"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-34476","identifiers":["CVE-2026-34476"]},"retained":false,"historicalAffected":[]},{"revision":"d6106731fc2e4b3cb880c99ca7a3d028","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-c4hg-6933-x62x","aliases":["CVE-2026-34476","GO-2026-5310"],"title":"Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server","description":"Server-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.","state":0,"publishedAt":"2026-04-13T15:31:41+00:00","modifiedAt":"2026-07-21T14:00:34.2764722+00:00","affected":[{"ecosystem":"Go","name":"github.com/apache/skywalking-mcp","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.2.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2026-34476","https://github.com/advisories/GHSA-c4hg-6933-x62x","https://github.com/apache/skywalking-mcp","https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr","http://www.openwall.com/lists/oss-security/2026/04/13/4"],"sourceUrl":"https://github.com/advisories/GHSA-c4hg-6933-x62x","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-c4hg-6933-x62x","identifiers":["GHSA-c4hg-6933-x62x","CVE-2026-34476","GO-2026-5310"]},"retained":false,"historicalAffected":[]},{"revision":"de56ac7d88d74387a25d1461c3969759","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-5310","aliases":["CVE-2026-34476","GHSA-c4hg-6933-x62x"],"title":"Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server in github.com/apache/skywalking-mcp","description":"Apache SkyWalking MCP: Server-Side Request Forgery via SW-URL Header in MCP Server in github.com/apache/skywalking-mcp","state":0,"publishedAt":"2026-06-25T18:43:19+00:00","modifiedAt":"2026-06-25T19:45:28.7288232+00:00","affected":[{"ecosystem":"Go","name":"github.com/apache/skywalking-mcp","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"0.2.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/advisories/GHSA-c4hg-6933-x62x","https://nvd.nist.gov/vuln/detail/CVE-2026-34476","http://www.openwall.com/lists/oss-security/2026/04/13/4","https://lists.apache.org/thread/v0k1xyzzbtnpyrwxwyn36pbspr8rhjnr"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-5310","license":"OSV · upstream source license applies","key":"osv:GO-2026-5310","identifiers":["GO-2026-5310","CVE-2026-34476","GHSA-c4hg-6933-x62x"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-01T15:57:20.8239354+00:00","complete":true,"records":1766,"lastAttemptAt":"2026-11-01T15:57:20.8239354+00:00","lastSuccessAt":"2026-11-01T15:57:21.0432994+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:21.0433001+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-aece262bb10a694367a43c24d730aa8e8dc171723eaec4c15cdd32f04bda103f-f95a49f7991d84fda391d9ec67b41d459e583b1cfe7c441477d04d1fe019c90a","complete":true,"records":417656,"lastAttemptAt":"2026-11-01T15:57:20.2988428+00:00","lastSuccessAt":"2026-11-01T15:57:20.2714671+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:20.2988428+00:00","snapshotPublishedAt":"2026-11-01T15:25:59+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-996acc6ac5ed4512972e5675464bd820","complete":false,"records":13568,"lastAttemptAt":"2026-11-01T16:09:37.8504098+00:00","lastSuccessAt":"2026-11-01T16:09:37.846+00:00","error":null,"lastVerifiedAt":"2026-11-01T16:09:37.846+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13449,"expectedIdentifiers":13637,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-01T15:57:20.8239354+00:00","complete":true,"records":1095,"lastAttemptAt":"2026-11-01T15:57:20.8239354+00:00","lastSuccessAt":"2026-11-01T15:57:21.0444496+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:21.0444501+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-f67819536b464ba998dbfc5a485cc684","complete":true,"records":13580,"lastAttemptAt":"2026-11-01T15:57:46.3017893+00:00","lastSuccessAt":"2026-11-01T15:57:46.298+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:46.298+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13637,"expectedIdentifiers":13637,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-21dcd6662970dfea02e4ea60ee637115e8d92664947484d2b9276b3f6568a84f","complete":true,"records":9815,"lastAttemptAt":"2026-11-01T15:57:20.6646449+00:00","lastSuccessAt":"2026-10-30T23:47:34.1817587+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:20.6646449+00:00","snapshotPublishedAt":"2026-10-30T23:33:17+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-2de9ccc5290f060c7aa63f89c25dd76f655a64ba1aba7c05c97fa3bee4f09899","complete":true,"records":1967,"lastAttemptAt":"2026-11-01T15:57:20.4527932+00:00","lastSuccessAt":"2026-10-28T20:55:34.2982937+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:20.4527932+00:00","snapshotPublishedAt":"2026-10-28T20:03:08+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-f95f76cd406ae5bae3de632ad37fd2d5160b44f5e6b51748ac6f8f0c0c88e72b","complete":true,"records":3028,"lastAttemptAt":"2026-11-01T15:57:20.7894926+00:00","lastSuccessAt":"2026-10-30T23:47:38.4914494+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:20.7894926+00:00","snapshotPublishedAt":"2026-10-30T23:18:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-55acacd40a7aab88cf530cfddf98233a5d800cfc6bb1883653ecf5bee50f4426","complete":true,"records":230996,"lastAttemptAt":"2026-11-01T15:57:20.5571291+00:00","lastSuccessAt":"2026-11-01T09:06:49.6961926+00:00","error":null,"lastVerifiedAt":"2026-11-01T15:57:20.5571291+00:00","snapshotPublishedAt":"2026-11-01T08:33:39+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}