OTP Brute-Force Account Takeover in Idvlabs Software's Ontime

{
  "id": "3d035e48fdee47fecd18719fb0fe635329bf6d825c57bc49590a7c72736a37a9",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-15586",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OTP Brute-Force Account Takeover in Idvlabs Software's Ontime",
    "summary": "Improper restriction of excessive authentication attempts vulnerability in İdvlabs Software and Consulting Services Inc. Ontime allows Brute Force. This issue affects Ontime: through 2026-10-27. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.",
    "evidence": "cve:CVE-2026-15586",
    "products": [
      {
        "name": {
          "value": "Ontime",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-15586",
      "aliases": [
        "CVE-2026-15586"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV3_1": {
            "scope": "UNCHANGED",
            "version": "3.1",
            "baseScore": 5.3,
            "attackVector": "NETWORK",
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "integrityImpact": "LOW",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "availabilityImpact": "NONE",
            "privilegesRequired": "NONE",
            "confidentialityImpact": "NONE"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "İdvlabs Software and Consulting Services Inc.",
          "product": "Ontime",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "date",
              "lessThanOrEqual": "2026-10-27"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-27T12:32:04.384Z",
      "provider": "cve",
      "references": [
        "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1407"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
          "shortName": "TR-CERT",
          "dateUpdated": "2026-10-27T12:32:04.384Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-15586",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 392051,
  "published_at": "2026-10-27T12:32:04.384+00:00"
}