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CVE-2026-7861 (GCVE-0-2026-7861)

Vulnerability from cvelistv5 – Published: 2026-09-07 14:19 – Updated: 2026-09-07 14:19
VLAI
Title
Code Injection in Next4Biz's CSM (Customer Service Management)
Summary
Deserialization of untrusted data vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Code Injection. This issue affects CSM (Customer Service Management): through 07092026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
  • CWE-502 - Deserialization of untrusted data
References
Impacted products
Vendor Product Version CPE status
Next4Biz Information Technologies Inc. CSM (Customer Service Management) Affected: 0 , ≤ 07092026 (custom)
guessed Create a notification for this product.
Date Public
2026-09-07 14:16
Credits
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "CSM (Customer Service Management)",
          "vendor": "Next4Biz Information Technologies Inc.",
          "versions": [
            {
              "lessThanOrEqual": "07092026",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Batuhan ER"
        }
      ],
      "datePublic": "2026-09-07T14:16:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Deserialization of untrusted data vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Code Injection.\u003cp\u003eThis issue affects CSM (Customer Service Management): through 07092026.\u0026nbsp;\u003cspan\u003eNOTE: The vendor was contacted early about this disclosure but did not respond in any way.\u003c/span\u003e\u003c/p\u003e"
            }
          ],
          "value": "Deserialization of untrusted data vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Code Injection.\n\nThis issue affects CSM (Customer Service Management): through 07092026.\u00a0NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-242",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-242 Code Injection"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-502",
              "description": "CWE-502 Deserialization of untrusted data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-07T14:19:16.906Z",
        "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
        "shortName": "TR-CERT"
      },
      "references": [
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027"
        }
      ],
      "source": {
        "advisory": "TR-26-1027",
        "defect": [
          "TR-26-1027"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Code Injection in Next4Biz\u0027s CSM (Customer Service Management)",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
    "assignerShortName": "TR-CERT",
    "cveId": "CVE-2026-7861",
    "datePublished": "2026-09-07T14:19:16.906Z",
    "dateReserved": "2026-05-05T12:03:08.138Z",
    "dateUpdated": "2026-09-07T14:19:16.906Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-7861\",\"sourceIdentifier\":\"iletisim@usom.gov.tr\",\"published\":\"2026-09-07T15:17:32.153\",\"lastModified\":\"2026-09-07T15:17:32.153\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Deserialization of untrusted data vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Code Injection.\\n\\nThis issue affects CSM (Customer Service Management): through 07092026.\u00a0NOTE: The vendor was contacted early about this disclosure but did not respond in any way.\"}],\"affected\":[{\"source\":\"iletisim@usom.gov.tr\",\"affectedData\":[{\"vendor\":\"Next4Biz Information Technologies Inc.\",\"product\":\"CSM (Customer Service Management)\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"07092026\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"iletisim@usom.gov.tr\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"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-26-1027\",\"source\":\"iletisim@usom.gov.tr\"}]}}"
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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