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CVE-2026-90983

Status: DeferredHigh (8.2)—

Use of Client-Side authentication vulnerability in Hayat Health Facilities Inc. (Hayat Hospital) Hayat Mobile allows Authentication Bypass.

This issue affects Hayat Mobile: from 3.3.0 before 3.4.0.

CVSS

Exploitation probability (EPSS)

FIRST hasn't scored this CVE yet (usual for very recent or rejected CVEs).

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Autenticación basada en cliente (CWE-603) en aplicación web/móvil expuesta en red (AV:N, PR:N, UI:N) permite bypass de autenticación y obtención de acceso con credenciales válidas.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account ManagementApplication Developer GuidanceActive Directory ConfigurationVulnerability ScanningUser TrainingUser Account Management

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Hayat Health Facilities INC — Hayat MobileAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-90983",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-90983",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-09T18:08:52.836442Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "iletisim@usom.gov.tr",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "iletisim@usom.gov.tr",
      "affectedData": [
        {
          "vendor": "Hayat Health Facilities Inc. (Hayat Hospital)",
          "product": "Hayat Mobile",
          "versions": [
            {
              "status": "affected",
              "version": "3.3.0",
              "lessThan": "3.4.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-10-09T16:17:31.947",
  "references": [
    {
      "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1289",
      "source": "iletisim@usom.gov.tr"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "iletisim@usom.gov.tr",
      "description": [
        {
          "lang": "en",
          "value": "CWE-603"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of Client-Side authentication vulnerability in Hayat Health Facilities Inc. (Hayat Hospital) Hayat Mobile allows Authentication Bypass.\n\nThis issue affects Hayat Mobile: from 3.3.0 before 3.4.0."
    }
  ],
  "lastModified": "2026-10-09T18:17:15.213",
  "sourceIdentifier": "iletisim@usom.gov.tr"
}