Security advisory

{
  "id": "282a2d94509f38507244298db7e06f8e50f9dc044645e53a32a21b37e964034e",
  "url": "https://osv.dev/vulnerability/CVE-2021-41087",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41087",
    "summary": "in-toto-golang is a go implementation of the in-toto framework to protect software supply chain integrity. In affected versions authenticated attackers posing as functionaries (i.e., within a trusted set of users for a layout) are able to create attestations that may bypass DISALLOW rules in the same layout. An attacker with access to trusted private keys, may issue an attestation that contains a disallowed artifact by including path traversal semantics (e.g., foo vs dir/../foo). Exploiting this vulnerability is dependent on the specific policy applied. The problem has been fixed in version 0.3.0.",
    "evidence": "osv:CVE-2021-41087",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-41087",
      "aliases": [
        "CVE-2021-41087",
        "GHSA-vrxp-mg9f-hwf3",
        "GO-2022-0936"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/in-toto/in-toto-golang",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f2c57d1e0f15e3ffbeac531829c696b72ecc4290"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:in-toto:in-toto-golang:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.3.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f2c57d1e0f15e3ffbeac531829c696b72ecc4290"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41087.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:57.600185691Z",
      "provider": "osv",
      "references": [
        "https://github.com/in-toto/in-toto-golang/security/advisories/GHSA-vrxp-mg9f-hwf3",
        "https://github.com/in-toto/in-toto-golang/commit/f2c57d1e0f15e3ffbeac531829c696b72ecc4290"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41087",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386547,
  "published_at": "2021-09-21T21:15:07.203+00:00"
}