FKIE_CVE-2025-66515

Vulnerability from fkie_nvd - Published: 2025-12-05 18:15 - Updated: 2025-12-09 17:22
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 

{
  "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."
    }
  ],
  "id": "CVE-2025-66515",
  "lastModified": "2025-12-09T17:22:18.077",
  "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"
      }
    ]
  },
  "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": "Primary"
    }
  ]
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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