BillaBear Installation InstallController.php processInstall missing authentication

{
  "id": "5dec12c10a10a5b6af93d4353238a415fbad09696d1f0a0768833770928079f1",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-116257",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "BillaBear Installation InstallController.php processInstall missing authentication",
    "summary": "A vulnerability was determined in BillaBear up to 2025.01.03. Affected by this issue is the function processInstall of the file src/BillaBear/Controller/InstallController.php of the component Installation Handler. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.",
    "evidence": "cve:CVE-2026-116257",
    "products": [
      {
        "name": {
          "value": "BillaBear",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-116257",
      "aliases": [
        "CVE-2026-116257"
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
          }
        },
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C"
          }
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:billabear:billabear:*:*:*:*:*:*:*:*"
          ],
          "vendor": "n/a",
          "modules": [
            "Installation Handler"
          ],
          "product": "BillaBear",
          "versions": [
            {
              "status": "affected",
              "version": "2025.01.03"
            }
          ]
        }
      ],
      "modified": "2026-10-26T10:30:14.810Z",
      "provider": "cve",
      "references": [
        "https://vuldb.com/vuln/426296",
        "https://vuldb.com/vuln/426296/cti",
        "https://vuldb.com/cve/CVE-2026-116257",
        "https://vuldb.com/submit/1009909",
        "https://gist.github.com/asdfghjkl12345678910111/d9fcbcdf74b3f07c427ade9fed927ad4"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
          "shortName": "VulDB",
          "dateUpdated": "2026-10-26T10:30:14.810Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-116257",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 285279,
  "published_at": "2026-10-26T10:30:14.81+00:00"
}