CVE-2026-18642 (GCVE-0-2026-18642)

Vulnerability from cvelistv5 – Published: 2026-08-03 13:31 – Updated: 2026-08-03 13:31
VLAI
Title
Remote Code Execution via Insecure Deserialization in TÜBİTAK BİLGEM's eta-otp-lock
Summary
Deserialization of untrusted data vulnerability in TUBITAK BILGEM Software Technologies Research Institute eta-otp-lock allows Object Injection. This issue affects eta-otp-lock: before 1.0.4.
CWE
  • CWE-502 - Deserialization of untrusted data
Assigner
References
Impacted products
Date Public
2026-08-03 13:25
Credits
Emirhan YÜCEL
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
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          "product": "eta-otp-lock",
          "vendor": "TUBITAK BILGEM Software Technologies Research Institute",
          "versions": [
            {
              "lessThan": "1.0.4",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Emirhan Y\u00dcCEL"
        }
      ],
      "datePublic": "2026-08-03T13:25:00.000Z",
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
            {
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              "type": "text/html",
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            }
          ],
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      "impacts": [
        {
          "capecId": "CAPEC-586",
          "descriptions": [
            {
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              "value": "CAPEC-586 Object Injection"
            }
          ]
        }
      ],
      "metrics": [
        {
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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          "scenarios": [
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      "problemTypes": [
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          "descriptions": [
            {
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              "description": "CWE-502 Deserialization of untrusted data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-03T13:31:04.311Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
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      "references": [
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          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0730"
        }
      ],
      "source": {
        "advisory": "TR-26-0730",
        "defect": [
          "TR-26-0730"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Remote Code Execution via Insecure Deserialization in T\u00dcB\u0130TAK B\u0130LGEM\u0027s eta-otp-lock",
      "x_generator": {
        "engine": "Vulnogram 1.0.4"
      }
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  "cveMetadata": {
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    "assignerShortName": "TR-CERT",
    "cveId": "CVE-2026-18642",
    "datePublished": "2026-08-03T13:31:04.311Z",
    "dateReserved": "2026-08-03T10:59:36.583Z",
    "dateUpdated": "2026-08-03T13:31:04.311Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-18642\",\"sourceIdentifier\":\"iletisim@usom.gov.tr\",\"published\":\"2026-08-03T14:16:26.123\",\"lastModified\":\"2026-08-03T14:16:26.123\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Deserialization of untrusted data vulnerability in TUBITAK BILGEM Software Technologies Research Institute eta-otp-lock allows Object Injection.\\n\\nThis issue affects eta-otp-lock: before 1.0.4.\"}],\"affected\":[{\"source\":\"iletisim@usom.gov.tr\",\"affectedData\":[{\"vendor\":\"TUBITAK BILGEM Software Technologies Research Institute\",\"product\":\"eta-otp-lock\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"1.0.4\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"iletisim@usom.gov.tr\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"iletisim@usom.gov.tr\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"}]}],\"references\":[{\"url\":\"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0730\",\"source\":\"iletisim@usom.gov.tr\"}]}}"
  }
}



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