Security fix for GHSA-9h8m-3fm2-qjrq applied in: buildkitd 0.26.3-r1, containerd 2.1.3-r2, cosign 3.0.5-r0

{
  "id": "3ecdc2055826dece85b76681728211cd56bec674d14da2923eefe9b73597ae58",
  "url": "https://osv.dev/vulnerability/CLEANSTART-2026-WS51251",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Security fix for GHSA-9h8m-3fm2-qjrq applied in: buildkitd 0.26.3-r1, containerd 2.1.3-r2, cosign 3.0.5-r0",
    "summary": "GHSA-9h8m-3fm2-qjrq affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.",
    "evidence": "osv:CLEANSTART-2026-WS51251",
    "products": [
      {
        "name": {
          "value": "buildkitd",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.26.3-r1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "containerd",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.1.3-r2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "cosign",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "3.0.5-r0",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CLEANSTART-2026-WS51251",
      "aliases": [
        "CLEANSTART-2026-WS51251"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.26.3-r1"
                }
              ]
            }
          ],
          "package": {
            "name": "buildkitd",
            "purl": "pkg:apk/cleanstart/buildkitd",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-WS51251.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.1.3-r2"
                }
              ]
            }
          ],
          "package": {
            "name": "containerd",
            "purl": "pkg:apk/cleanstart/containerd",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-WS51251.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3.0.5-r0"
                }
              ]
            }
          ],
          "package": {
            "name": "cosign",
            "purl": "pkg:apk/cleanstart/cosign",
            "ecosystem": "CleanStart"
          },
          "database_specific": {
            "source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-WS51251.json"
          }
        }
      ],
      "modified": "2026-10-15T12:58:14.062098479Z",
      "provider": "osv",
      "upstream": [
        "GHSA-9h8m-3fm2-qjrq"
      ],
      "references": [
        "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-WS51251.json",
        "https://osv.dev/vulnerability/GHSA-9h8m-3fm2-qjrq"
      ],
      "provider_metadata": {}
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 332037,
  "published_at": "2026-09-30T20:28:46.228462+00:00"
}