Vulnerability-Lookup

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

Vulnerability from cvelistv5 – Published: 2026-09-07 14:19 – Updated: 2026-09-09 08:11

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): before 8.0.3.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-08 14:45 UTC

CWE

CWE-502 - Deserialization of untrusted data

Assigner

TR-CERT mitre root

References

1 reference

URL	Tags
https://siberguvenlik.gov.tr/guvenlik-bildirimler…	government-resource

Impacted products

1 product

Vendor	Product	Version	CPE status
Next4Biz Information Technologies Inc.	CSM (Customer Service Management)	Affected: 0 , < 8.0.3 (custom)	guessed

Date Public

2026-09-07 14:16

Credits

Batuhan ER

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-7861

Vulnerability from fkie_nvd - Published: 2026-09-07 15:17 - Updated: 2026-09-09 09:17

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	iletisim@usom.gov.tr	https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  "affected": [
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      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "CSM (Customer Service Management)",
          "vendor": "Next4Biz Information Technologies Inc.",
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            {
              "lessThan": "8.0.3",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
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        }
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      "source": "iletisim@usom.gov.tr"
    }
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GHSA-8JP6-HW6C-MJGF

Vulnerability from github – Published: 2026-09-07 15:33 – Updated: 2026-09-09 09:32

Details

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.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-7861"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-07T15:17:32Z",
    "severity": "CRITICAL"
  },
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  "id": "GHSA-8jp6-hw6c-mjgf",
  "modified": "2026-09-09T09:32:57Z",
  "published": "2026-09-07T15:33:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7861"
    },
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      "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027"
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  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

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

FKIE_CVE-2026-7861

GHSA-8JP6-HW6C-MJGF

Tags

Sightings

Nomenclature

Related by attack behaviour