FKIE_CVE-2026-45810

Vulnerability from fkie_nvd - Published: 2026-06-01 19:16 - Updated: 2026-07-22 08:10
Severity
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Summary
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. It is recommended that the Nextcloud Server is upgraded to 31.0.12 or 32.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 21.0.9.20, 22.2.10.35, 23.0.12.31, 24.0.12.30, 25.0.13.25, 26.0.13.22, 27.1.11.22, 28.0.14.13, 29.0.16.10, 30.0.17.5, 31.0.12 or 32.0.3
References
security-advisories@github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-285v-p9x9-cjhjVendor Advisory
security-advisories@github.comhttps://github.com/nextcloud/server/pull/56982Issue Tracking, Patch
security-advisories@github.comhttps://hackerone.com/reports/3425534Permissions Required
Impacted products
Vendor Product Version
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
nextcloud nextcloud_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "security-advisories",
          "vendor": "nextcloud",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 31.0.0, \u003c 31.0.12"
            },
            {
              "status": "affected",
              "version": "\u003e= 32.0.0, \u003c 32.0.3"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "A6FF62FC-BAAC-42FE-80AA-1ECF1752D9D4",
              "versionEndExcluding": "31.0.12",
              "versionStartIncluding": "31.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "B6B91E03-3683-47A0-8D5D-8F463D1957F2",
              "versionEndExcluding": "32.0.3",
              "versionStartIncluding": "32.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "098EE605-7FDE-46B7-9C43-F60DA409E0A5",
              "versionEndExcluding": "21.0.9.20",
              "versionStartIncluding": "21.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "C85D72D8-C79D-4C14-B182-56AF5D3C8112",
              "versionEndExcluding": "22.2.10.35",
              "versionStartIncluding": "22.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "EEB2590D-E809-4D9E-839B-CCB4ECB6520C",
              "versionEndExcluding": "23.0.12.31",
              "versionStartIncluding": "23.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "3995AF52-3ADF-46F5-830C-ECD524E2BE96",
              "versionEndExcluding": "24.0.12.30",
              "versionStartIncluding": "24.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "A30EC2CC-134F-47D0-B70F-E2B81593DC5D",
              "versionEndExcluding": "25.0.13.25",
              "versionStartIncluding": "25.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "12D207A6-CCF2-411E-B88C-24DEC2E6A738",
              "versionEndExcluding": "26.0.13.22",
              "versionStartIncluding": "26.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "8BBD9235-DE99-4414-A359-7099FA33031C",
              "versionEndExcluding": "27.1.11.22",
              "versionStartIncluding": "27.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "F67E6578-F627-466B-9BE2-E8E61798EE00",
              "versionEndExcluding": "28.0.14.13",
              "versionStartIncluding": "28.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "582AFA70-8388-4EDB-A1C1-7808669B1928",
              "versionEndExcluding": "29.0.16.10",
              "versionStartIncluding": "29.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "3740C0F2-E103-42E6-91BA-13F807D0C3E9",
              "versionEndExcluding": "30.0.17.5",
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "EE1373FF-E182-4502-AFA0-CB4191CBC1A3",
              "versionEndExcluding": "31.0.12",
              "versionStartIncluding": "31.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "88F735F3-E164-4261-A5D8-8F32DB2AA218",
              "versionEndExcluding": "32.0.3",
              "versionStartIncluding": "32.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. It is recommended that the Nextcloud Server is upgraded to 31.0.12 or 32.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 21.0.9.20, 22.2.10.35, 23.0.12.31, 24.0.12.30, 25.0.13.25, 26.0.13.22, 27.1.11.22, 28.0.14.13, 29.0.16.10, 30.0.17.5, 31.0.12 or 32.0.3"
    },
    {
      "lang": "es",
      "value": "Nextcloud es una plataforma de colaboraci\u00f3n de contenido de c\u00f3digo abierto. En el servidor Nextcloud, desde las versiones 31.0.0 hasta antes de la 31.0.12, y 32.0.0 hasta antes de la 32.0.3, una verificaci\u00f3n faltante de una relaci\u00f3n permiti\u00f3 a usuarios autenticados con acceso a cualquier comentario de archivo, leer el contenido de todos los comentarios. Se recomienda que el servidor Nextcloud sea actualizado a la 31.0.12 o 32.0.3. Se recomienda que el servidor Nextcloud Enterprise sea actualizado a la 21.0.9.20, 22.2.10.35, 23.0.12.31, 24.0.12.30, 25.0.13.25, 26.0.13.22, 27.1.11.22, 28.0.14.13, 29.0.16.10, 30.0.17.5, 31.0.12 o 32.0.3."
    }
  ],
  "id": "CVE-2026-45810",
  "lastModified": "2026-07-22T08:10:00.117",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 4.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-45810",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-02T12:48:04.430888Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-01T19:16:53.357",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-285v-p9x9-cjhj"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/nextcloud/server/pull/56982"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/3425534"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.