Vulnerability-Lookup

CVE-2026-2334 (GCVE-0-2026-2334)

Vulnerability from cvelistv5 – Published: 2026-08-20 18:03 – Updated: 2026-08-21 20:08

Title

) Missing Server-Side File Extension Validation in vsDesk

Summary

An issue was discovered in vsDesk v14.0101. An authenticated attacker with administrative privileges can bypass client-side file validation in the "Import via CSV" component due to a lack of server-side validation. This allows the upload of an arbitrary file, which can lead to Remote Code Execution (RCE) within the context of the web application. Apply patch from vendor https://vsdesk.ru/ . Versions 14.0402 and on have the patch.

Severity

9.4 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 19:52 UTC

CWE

CWE-434 - Unrestricted upload of file with dangerous type

Assigner

Kaspersky mitre root

References

2 references

URL	Tags
https://github.com/klsecservices/Advisories/blob/…
https://vsdesk.ru/news/vyshla-novaya-versiya-140422

Impacted products

1 product

Vendor	Product	Version	CPE status
vsDesk	vsDesk	Affected: 14.0101 Unaffected: 14.0402	guessed

Credits

The vulnerability was discovered by Kirill Nikolaev from Kaspersky (https://kaspersky.com)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-2334

Vulnerability from fkie_nvd - Published: 2026-08-20 18:16 - Updated: 2026-08-20 18:16

Severity

9.4 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Summary

References

	URL	Tags
	vulnerability@kaspersky.com	https://github.com/klsecservices/Advisories/blob/master/KLSA-00415-Missing-Server-Side-File-Extension-Validation-in-vsDesk.md
	vulnerability@kaspersky.com	https://vsdesk.ru/news/vyshla-novaya-versiya-140422

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "product": "vsDesk",
          "vendor": "vsDesk",
          "versions": [
            {
              "status": "affected",
              "version": "14.0101"
            },
            {
              "status": "unaffected",
              "version": "14.0402"
            }
          ]
        }
      ],
      "source": "vulnerability@kaspersky.com"
    }
  ],
  "cveTags": [],
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    {
      "lang": "en",
      "value": "An issue was discovered in vsDesk v14.0101. An authenticated attacker with administrative privileges can bypass client-side file validation in the \"Import via CSV\" component due to a lack of server-side validation. This allows the upload of an arbitrary file, which can lead to Remote Code Execution (RCE) within the context of the web application.\u00a0\nApply patch from vendor  https://vsdesk.ru/ . Versions 14.0402 and on have the patch."
    }
  ],
  "id": "CVE-2026-2334",
  "lastModified": "2026-08-20T18:16:26.047",
  "metrics": {
    "cvssMetricV40": [
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 9.4,
          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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}

GHSA-CXGP-6H9C-HFPC

Vulnerability from github – Published: 2026-08-20 18:30 – Updated: 2026-08-20 18:30

Details

Severity

9.4 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-2334"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-434"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-20T18:16:26Z",
    "severity": "CRITICAL"
  },
  "details": "An issue was discovered in vsDesk v14.0101. An authenticated attacker with administrative privileges can bypass client-side file validation in the \"Import via CSV\" component due to a lack of server-side validation. This allows the upload of an arbitrary file, which can lead to Remote Code Execution (RCE) within the context of the web application.\u00a0\nApply patch from vendor  https://vsdesk.ru/ . Versions 14.0402 and on have the patch.",
  "id": "GHSA-cxgp-6h9c-hfpc",
  "modified": "2026-08-20T18:30:59Z",
  "published": "2026-08-20T18:30:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2334"
    },
    {
      "type": "WEB",
      "url": "https://github.com/klsecservices/Advisories/blob/master/KLSA-00415-Missing-Server-Side-File-Extension-Validation-in-vsDesk.md"
    },
    {
      "type": "WEB",
      "url": "https://vsdesk.ru/news/vyshla-novaya-versiya-140422"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Action not permitted

CVE-2026-2334 (GCVE-0-2026-2334)

FKIE_CVE-2026-2334

GHSA-CXGP-6H9C-HFPC

Tags

Sightings

Nomenclature