rancher-2.11 — security advisory

{
  "id": "8977df19cb124cb35fddc9a9389179a2242907352c9b51b100f548edaaf5eff3",
  "url": "https://osv.dev/vulnerability/CGA-5mxx-mc5w-g3w5",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CGA-5mxx-mc5w-g3w5",
    "summary": "CGA-5mxx-mc5w-g3w5",
    "evidence": "osv:CGA-5mxx-mc5w-g3w5",
    "products": [
      {
        "name": {
          "value": "rancher-2.11",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CGA-5mxx-mc5w-g3w5",
      "aliases": [
        "CGA-5mxx-mc5w-g3w5"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "rancher-2.11",
            "purl": "pkg:apk/chainguard/rancher-2.11?arch=aarch64",
            "ecosystem": "Chainguard"
          },
          "database_specific": {
            "source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-5mxx-mc5w-g3w5.json"
          },
          "ecosystem_specific": {
            "components": [
              {
                "component_name": "github.com/containerd/containerd",
                "component_purl": "pkg:golang/github.com/containerd/containerd@v1.6.38",
                "component_type": "go-module",
                "component_version": "v1.6.38",
                "component_location": "/usr/bin/rancher",
                "latest_event_status": "pending_upstream_fix",
                "latest_event_timestamp": "2026-10-17T00:11:14Z"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-19T14:30:11.258771057Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-95838",
        "GHSA-rp3h-jf77-q9p4"
      ],
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/95xxx/CVE-2026-95838.json",
        "https://github.com/containerd/containerd/security/advisories/GHSA-rp3h-jf77-q9p4",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-95838",
        "https://github.com/containerd/containerd/commit/e6ca378dcfa610d06589a3ac96aa992de866e4f0"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-95838",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 374865,
  "published_at": "2026-10-16T13:13:28+00:00"
}