Vulnerability-Lookup

GHSA-M449-VH5F-574G

Vulnerability from github – Published: 2025-11-26 19:33 – Updated: 2025-12-01 16:02

Summary

OneUptime Unauthorized User Creation via API

Details

Summary

A low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface.

PoC

A low-permission user sends a crafted API request to the user-creation endpoint and the system creates the account successfully. WhatsApp Image 2025-11-23 at 14 27 32_0e0f5889

Impact

This allows attackers to create unauthorized accounts.

Severity

8.8 (High)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "@oneuptime/common"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-65966"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-26T19:33:08Z",
    "nvd_published_at": "2025-11-26T19:15:50Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nA low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface.\n\n### PoC\nA low-permission user sends a crafted API request to the user-creation endpoint and the system creates the account successfully.\n![WhatsApp Image 2025-11-23 at 14 27 32_0e0f5889](https://github.com/user-attachments/assets/5a539310-c9a2-4466-8926-b49b9b2a2422)\n\n### Impact\nThis allows attackers to create unauthorized accounts.",
  "id": "GHSA-m449-vh5f-574g",
  "modified": "2025-12-01T16:02:30Z",
  "published": "2025-11-26T19:33:08Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/OneUptime/oneuptime/security/advisories/GHSA-m449-vh5f-574g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-65966"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OneUptime/oneuptime/commit/07bc6d4edde7397ea6b88f889c065ec392052ab4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/OneUptime/oneuptime"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OneUptime Unauthorized User Creation via API"
}

CVE-2025-65966 (GCVE-0-2025-65966)

Vulnerability from cvelistv5 – Published: 2025-11-26 18:10 – Updated: 2025-11-26 18:41

Title

OneUptime Unauthorized User Creation via API

Summary

OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.

Severity

8.8 (High)


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

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-26 18:41 UTC

CWE

CWE-285 - Improper Authorization

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/OneUptime/oneuptime/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
OneUptime	oneuptime	Affected: = 9.0.5598

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JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-65966",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-26T18:41:33.203176Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-26T18:41:53.120Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "oneuptime",
          "vendor": "OneUptime",
          "versions": [
            {
              "status": "affected",
              "version": "= 9.0.5598"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "CWE-285: Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-26T18:10:16.460Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/OneUptime/oneuptime/security/advisories/GHSA-m449-vh5f-574g",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/OneUptime/oneuptime/security/advisories/GHSA-m449-vh5f-574g"
        }
      ],
      "source": {
        "advisory": "GHSA-m449-vh5f-574g",
        "discovery": "UNKNOWN"
      },
      "title": "OneUptime Unauthorized User Creation via API"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-65966",
    "datePublished": "2025-11-26T18:10:16.460Z",
    "dateReserved": "2025-11-18T16:14:56.694Z",
    "dateUpdated": "2025-11-26T18:41:53.120Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

GHSA-M449-VH5F-574G

Summary

PoC

Impact

CVE-2025-65966 (GCVE-0-2025-65966)

Tags

Sightings

Nomenclature

Related by attack behaviour