Vulnerability-Lookup

CVE-2026-86207 (GCVE-0-2026-86207)

Vulnerability from cvelistv5 – Published: 2026-09-05 19:12 – Updated: 2026-09-05 19:20

Title

Authentication bypass leads to unauthorised access to N-central

Summary

An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs

Severity

7.7 (High)


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

CWE

CWE-305 - Authentication bypass by primary weakness

Assigner

N-able mitre root

References

2 references

URL	Tags
https://documentation.n-able.com/N-central/Releas…	release-notes
https://me.n-able.com/s/security-advisory/aArVy00…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
N-able	N-central	Affected: 0 , < 2026.3.1.13 (custom)	guessed

Credits

Michael Tigges of Huntress Rashmi Harish of Rapid7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "N-central",
          "vendor": "N-able",
          "versions": [
            {
              "lessThan": "2026.3.1.13",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Michael Tigges of Huntress"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Rashmi Harish of Rapid7"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An authentication bypass in N-central \u0026lt; 2026.3 HF 3 leads to authentication bypass in internal only APIs"
            }
          ],
          "value": "An authentication bypass in N-central \u003c 2026.3 HF 3 leads to authentication bypass in internal only APIs"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-305",
              "description": "CWE-305 Authentication bypass by primary weakness",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-05T19:20:37.779Z",
        "orgId": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
        "shortName": "N-able"
      },
      "references": [
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://me.n-able.com/s/security-advisory/aArVy0000002LUzKAM/cve202686207-authentication-bypass-leads-to-unauthorised-access-to-ncentral"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Authentication bypass leads to unauthorised access to N-central",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
    "assignerShortName": "N-able",
    "cveId": "CVE-2026-86207",
    "datePublished": "2026-09-05T19:12:06.178Z",
    "dateReserved": "2026-09-05T12:27:21.549Z",
    "dateUpdated": "2026-09-05T19:20:37.779Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-86207\",\"sourceIdentifier\":\"a5532a13-c4dd-4202-bef1-e0b8f2f8d12b\",\"published\":\"2026-09-05T19:16:56.190\",\"lastModified\":\"2026-09-05T19:16:56.190\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An authentication bypass in N-central \u003c 2026.3 HF 3 leads to authentication bypass in internal only APIs\"}],\"affected\":[{\"source\":\"a5532a13-c4dd-4202-bef1-e0b8f2f8d12b\",\"affectedData\":[{\"vendor\":\"N-able\",\"product\":\"N-central\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"2026.3.1.13\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"a5532a13-c4dd-4202-bef1-e0b8f2f8d12b\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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\",\"baseScore\":7.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"PRESENT\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"HIGH\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}]},\"weaknesses\":[{\"source\":\"a5532a13-c4dd-4202-bef1-e0b8f2f8d12b\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-305\"}]}],\"references\":[{\"url\":\"https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm\",\"source\":\"a5532a13-c4dd-4202-bef1-e0b8f2f8d12b\"},{\"url\":\"https://me.n-able.com/s/security-advisory/aArVy0000002LUzKAM/cve202686207-authentication-bypass-leads-to-unauthorised-access-to-ncentral\",\"source\":\"a5532a13-c4dd-4202-bef1-e0b8f2f8d12b\"}]}}"
  }
}

FKIE_CVE-2026-86207

Vulnerability from fkie_nvd - Published: 2026-09-05 19:16 - Updated: 2026-09-05 19:16

Severity

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

Summary

An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs

References

	URL	Tags
	a5532a13-c4dd-4202-bef1-e0b8f2f8d12b	https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm
	a5532a13-c4dd-4202-bef1-e0b8f2f8d12b	https://me.n-able.com/s/security-advisory/aArVy0000002LUzKAM/cve202686207-authentication-bypass-leads-to-unauthorised-access-to-ncentral

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "N-central",
          "vendor": "N-able",
          "versions": [
            {
              "lessThan": "2026.3.1.13",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authentication bypass in N-central \u003c 2026.3 HF 3 leads to authentication bypass in internal only APIs"
    }
  ],
  "id": "CVE-2026-86207",
  "lastModified": "2026-09-05T19:16:56.190",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "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",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-09-05T19:16:56.190",
  "references": [
    {
      "source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
      "url": "https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm"
    },
    {
      "source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
      "url": "https://me.n-able.com/s/security-advisory/aArVy0000002LUzKAM/cve202686207-authentication-bypass-leads-to-unauthorised-access-to-ncentral"
    }
  ],
  "sourceIdentifier": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-305"
        }
      ],
      "source": "a5532a13-c4dd-4202-bef1-e0b8f2f8d12b",
      "type": "Secondary"
    }
  ]
}

GHSA-R94P-PW8F-8CWV

Vulnerability from github – Published: 2026-09-05 21:31 – Updated: 2026-09-05 21:31

Details

An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs

Severity

7.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-86207"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-305"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-05T19:16:56Z",
    "severity": "HIGH"
  },
  "details": "An authentication bypass in N-central \u003c 2026.3 HF 3 leads to authentication bypass in internal only APIs",
  "id": "GHSA-r94p-pw8f-8cwv",
  "modified": "2026-09-05T21:31:19Z",
  "published": "2026-09-05T21:31:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86207"
    },
    {
      "type": "WEB",
      "url": "https://documentation.n-able.com/N-central/Release_Notes/GA/Content/N-central_2026.3_HF3_Release_Notes.htm"
    },
    {
      "type": "WEB",
      "url": "https://me.n-able.com/s/security-advisory/aArVy0000002LUzKAM/cve202686207-authentication-bypass-leads-to-unauthorised-access-to-ncentral"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/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"
    }
  ]
}

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-2026-86207 (GCVE-0-2026-86207)

FKIE_CVE-2026-86207

GHSA-R94P-PW8F-8CWV

Tags

Sightings

Nomenclature