{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "4.6.7"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "07120ed8971047f504f7ec78060828f1895f475f"
            }
          ],
          "repo": "https://github.com/yeswiki/yeswiki",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-4388-phmh-jrw8"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104449.json"
  },
  "details": "YesWiki before 4.6.7 contains an access control vulnerability allowing unauthenticated attackers to overwrite any existing wiki page, including pages whose write ACL restricts editing, via the Bazar entry-creation flow. Attackers can submit a crafted entry with an attacker-controlled id_fiche matching an existing page, overwriting its body for mass defacement and content destruction.",
  "id": "CVE-2026-104449",
  "modified": "2026-10-04T02:30:32.822616065Z",
  "published": "2026-10-02T11:38:21.736Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104449.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/YesWiki/yeswiki/security/advisories/GHSA-4388-phmh-jrw8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104449"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-unauthenticated-page-overwrite-via-bazar-id-fiche"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "YesWiki before 4.6.7 Unauthenticated Page Overwrite via Bazar id_fiche"
}