{
  "published": "2026-04-02T12:47:02Z",
  "modified": "2026-04-03T13:16:48Z",
  "schema_version": "1.7.5",
  "id": "CGA-m3xj-7945-p899",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
    }
  ],
  "upstream": [
    "CVE-2026-34742",
    "GHSA-xw59-hvm2-8pj6",
    "GO-2026-5771"
  ],
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/modelcontextprotocol/go-sdk/releases/tag/v1.4.0"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34742.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:21772"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-34742"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34742.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-xw59-hvm2-8pj6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34742"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454608"
    },
    {
      "type": "FIX",
      "url": "https://github.com/modelcontextprotocol/go-sdk/commit/67bd3f2e2b53ce11a16db8d976cdb8ff1e986b6d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/modelcontextprotocol/go-sdk/pull/760"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "gitlab-workhorse-ce-fips-18.7",
        "purl": "pkg:apk/chainguard/gitlab-workhorse-ce-fips-18.7?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "github.com/modelcontextprotocol/go-sdk",
            "component_version": "v1.3.1",
            "component_type": "go-module",
            "component_location": "/usr/bin/gitlab-workhorse",
            "component_purl": "pkg:golang/github.com/modelcontextprotocol/go-sdk@v1.3.1",
            "latest_event_status": "fix_not_planned",
            "latest_event_timestamp": "2026-04-03T13:16:48Z"
          }
        ]
      }
    }
  ]
}