Security advisory

{
  "id": "e22c28e3378bea1b04dfa7010dd287eedcfb83f217252b1f212d2b7088550e5d",
  "url": "https://osv.dev/vulnerability/CVE-2021-47688",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-47688",
    "summary": "In WhiteBeam 0.2.0 through 0.2.1 before 0.2.2, a user with local access to a server can bypass the allow-list functionality because a file can be truncated in the OpenFileDescriptor action before the VerifyCanWrite action is performed.",
    "evidence": "osv:CVE-2021-47688",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-47688",
      "aliases": [
        "CVE-2021-47688",
        "GHSA-3f8r-9483-pfxj"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/whitebeamsec/whitebeam",
              "type": "GIT",
              "events": [
                {
                  "introduced": "797e00ea9fdd3341f14af0edb39d736480858c24"
                },
                {
                  "last_affected": "d68a8e78a000ed52e68e9c33a764ce87af8495d8"
                },
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e73b37ff9eaa6166f8ba9c115c5996ab687428d6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.2.0"
                      },
                      {
                        "last_affected": "0.2.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.2.2"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.2.1",
            "v0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47688.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:11.722178688Z",
      "provider": "osv",
      "references": [
        "https://github.com/WhiteBeamSec/WhiteBeam/security/policy",
        "https://github.com/WhiteBeamSec/WhiteBeam/security/advisories/GHSA-3f8r-9483-pfxj",
        "https://github.com/WhiteBeamSec/WhiteBeam/pull/22"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-47688",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387046,
  "published_at": "2025-06-23T20:15:26.957+00:00"
}