FKIE_CVE-2025-66515

Vulnerability from fkie_nvd - Published: 2025-12-05 18:15 - Updated: 2026-10-15 21:10
Severity
2.7 (Low) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Summary
The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using the numeric file id. This vulnerability is fixed in 1.3.1 and 2.5.0.
References
security-advisories@github.comhttps://github.com/nextcloud/approval/commit/e30b56b7832255311ac800b7875f44866e88fff4Patch
security-advisories@github.comhttps://github.com/nextcloud/approval/pull/334Issue Tracking
security-advisories@github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-q26g-fmjq-x5g5Patch, Vendor Advisory
security-advisories@github.comhttps://hackerone.com/reports/3338748Issue Tracking, Vendor Advisory
Impacted products
Vendor Product Version
nextcloud approval *
nextcloud approval *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 2.0.0, \u003c 2.5.0"
            },
            {
              "status": "affected",
              "version": "\u003c 1.3.1"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:approval:*:*:*:*:*:nextcloud:*:*",
              "matchCriteriaId": "37339E72-6EB5-4D2D-82E4-EB81C9FC8E39",
              "versionEndExcluding": "1.3.1",
              "versionStartIncluding": "1.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:approval:*:*:*:*:*:nextcloud:*:*",
              "matchCriteriaId": "558060E7-4BE3-4E6F-93FD-4CF3584CDE96",
              "versionEndExcluding": "2.5.0",
              "versionStartIncluding": "2.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user\u2019s file into the \u201cpending approval\u201d without access to the file by using the numeric file id. This vulnerability is fixed in 1.3.1 and 2.5.0."
    },
    {
      "lang": "es",
      "value": "La aplicaci\u00f3n?Approval?de?Nextcloud permite aprobar o desaprobar archivos en la barra lateral. Versiones anteriores a?1.3.1?y?2.5.0, un usuario autenticado listado como solicitante en un workflow puede colocar el archivo de otro usuario en \u201cpendiente de aprobaci\u00f3n\u201d sin tener acceso al archivo mediante el identificador num\u00e9rico del archivo. Esta vulnerabilidad est\u00e1 corregida en?1.3.1?y?2.5.0."
    }
  ],
  "id": "CVE-2025-66515",
  "lastModified": "2026-10-15T21:10:00.327",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 2.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-66515",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-12-05T18:03:48.806874Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-12-05T18:15:57.623",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/nextcloud/approval/commit/e30b56b7832255311ac800b7875f44866e88fff4"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking"
      ],
      "url": "https://github.com/nextcloud/approval/pull/334"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q26g-fmjq-x5g5"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://hackerone.com/reports/3338748"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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