{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.9.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "ab21af9b199e637cd02442e6cd299c7b6e6b8ac7"
            }
          ],
          "repo": "https://github.com/nduckmink/arkon",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111716.json"
  },
  "details": "Arkon through 0.9.2 contains a broken access control vulnerability that allows authenticated employees to read and modify other departments' sources because by-id routes in app/routers/sources.py skip can_access_document. Attackers can call the plan, progress, PATCH, retry and approve-extraction routes with foreign source IDs to disclose derived wiki titles and summaries and alter ingestion state.",
  "id": "CVE-2026-111716",
  "modified": "2026-10-17T10:30:40.976315448Z",
  "published": "2026-10-16T17:40:04.869Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111716.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/nduckmink/arkon"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L257-L275"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L295-L312"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/nduckmink/arkon/blob/v0.9.2/app/routers/sources.py#L644-L673"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@hieuPenguinnn/arkon-wiki-graph-cross-department-idor"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111716"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/arkon-through-0.9.2-broken-access-control-via-sources-by-id-routes"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Arkon through 0.9.2 Broken Access Control via Sources By-ID Routes"
}