Vulnerability-Lookup

GHSA-GRX8-C238-5VMR

Vulnerability from github – Published: 2026-01-21 12:30 – Updated: 2026-01-21 12:30

Details

Denial-of-service vulnerability in M-Files Server versions before 26.1.15632.3 allows an authenticated attacker with vault administrator privileges to crash the M-Files Server process by calling a vulnerable API endpoint.

Severity ?

6.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-0663"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1286"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-21T11:15:50Z",
    "severity": "MODERATE"
  },
  "details": "Denial-of-service vulnerability in M-Files Server versions before\u00a026.1.15632.3\u00a0allows an authenticated attacker with vault administrator privileges to crash the M-Files Server process by calling a vulnerable API endpoint.",
  "id": "GHSA-grx8-c238-5vmr",
  "modified": "2026-01-21T12:30:30Z",
  "published": "2026-01-21T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0663"
    },
    {
      "type": "WEB",
      "url": "https://product.m-files.com/security-advisories/cve-2026-0663"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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"
    }
  ]
}

CVE-2026-0663 (GCVE-0-2026-0663)

Vulnerability from cvelistv5 – Published: 2026-01-21 10:29 – Updated: 2026-01-21 14:27

Title

Denial of Service condition in M-Files Server

Summary

Severity ?

6.9 (Medium)


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

CWE

CWE-1286 - Improper Validation of Syntactic Correctness of Input

Assigner

M-Files Corporation

References

URL

Tags

https://product.m-files.com/security-advisories/c…

vendor-advisory

Impacted products

	Vendor	Product	Version
	M-Files Corporation	M-Files Server	Affected: 0 , < 26.1.15632.3 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-0663",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-21T14:26:36.756911Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-21T14:27:18.358Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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        {
          "defaultStatus": "unaffected",
          "product": "M-Files Server",
          "vendor": "M-Files Corporation",
          "versions": [
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              "lessThan": "26.1.15632.3",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
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        }
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          "descriptions": [
            {
              "lang": "en",
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            }
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        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
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            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
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        "orgId": "bcf7a16e-bfdc-46e4-9e42-4187da3f4410",
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      "references": [
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          "supportingMedia": [
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              "base64": false,
              "type": "text/html",
              "value": "Update M-Files Server to unaffected version."
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          ],
          "value": "Update M-Files Server to unaffected version."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Denial of Service condition in M-Files Server",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "M-Files Corporation",
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    "datePublished": "2026-01-21T10:29:57.786Z",
    "dateReserved": "2026-01-07T09:47:06.520Z",
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    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-GRX8-C238-5VMR

CVE-2026-0663 (GCVE-0-2026-0663)

Tags

Sightings

Nomenclature