calibre-web is vulnerable to Business Logic Errors

{
  "id": "9dabcc5c0f38bbec1ee35782739594e74d111559122a70bceb3e41dbf2e9c2e5",
  "url": "https://osv.dev/vulnerability/GHSA-xp7p-3gx7-j6wx",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "calibre-web is vulnerable to Business Logic Errors",
    "summary": "calibre-web is vulnerable to Business Logic Errors",
    "evidence": "osv:GHSA-xp7p-3gx7-j6wx",
    "products": [
      {
        "name": {
          "value": "calibreweb",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.6.15",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": [
          {
            "value": "0.6.12",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.6.13",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "0.6.14",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "GHSA-xp7p-3gx7-j6wx",
      "aliases": [
        "CVE-2021-4171",
        "GHSA-xp7p-3gx7-j6wx",
        "PYSEC-2026-307"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.6.15"
                }
              ]
            }
          ],
          "package": {
            "name": "calibreweb",
            "purl": "pkg:pypi/calibreweb",
            "ecosystem": "PyPI"
          },
          "versions": [
            "0.6.12",
            "0.6.13",
            "0.6.14"
          ],
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-xp7p-3gx7-j6wx/GHSA-xp7p-3gx7-j6wx.json"
          }
        }
      ],
      "modified": "2026-10-27T16:30:05.977964866Z",
      "provider": "osv",
      "references": [
        "https://nvd.nist.gov/vuln/detail/CVE-2021-4171",
        "https://github.com/janeczku/calibre-web/commit/3e0d8763c377d2146462811e3e4ccf13f0d312ce",
        "https://github.com/janeczku/calibre-web",
        "https://github.com/pypa/advisory-database/tree/main/vulns/calibreweb/PYSEC-2026-307.yaml",
        "https://huntr.dev/bounties/1117f439-133c-4563-afb2-6cd80607bd5c",
        "https://pypi.org/project/calibreweb"
      ],
      "provider_metadata": {
        "cwe_ids": [],
        "severity": "CRITICAL",
        "github_reviewed": true,
        "nvd_published_at": "2022-01-17T10:15:00Z",
        "github_reviewed_at": "2022-01-19T15:03:22Z"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-4171",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 462867,
  "published_at": "2022-01-21T23:44:15+00:00"
}