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3 vulnerabilities found for Collectives by Nextcloud

CVE-2026-77171 (GCVE-0-2026-77171)
Vulnerability from cvelistv5
Published
2026-10-27 16:15
Modified
2026-10-27 16:15
Severity ?
3.5 (Low) - CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CWE
  • CWE-284 - Improper Access Control - Generic
Summary
A public shared collective always allowed recipients of the link to create pages.
References
Impacted products
Vendor Product Version
Nextcloud Collectives Version: 4.0.0   ≤ 4.0.0
 Create a notification for this product.
Show details on NVD website

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Collectives",
          "vendor": "Nextcloud",
          "versions": [
            {
              "lessThanOrEqual": "4.0.0",
              "status": "affected",
              "version": "4.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "_dha (yoyomiski)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A public shared collective always allowed recipients of the link to create pages."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284 Improper Access Control - Generic",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-27T16:15:34.770Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://hackerone.com/reports/3533697"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-77171",
    "datePublished": "2026-10-27T16:15:34.770Z",
    "dateReserved": "2026-08-20T15:00:00.606Z",
    "dateUpdated": "2026-10-27T16:15:34.770Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-77166 (GCVE-0-2026-77166)
Vulnerability from cvelistv5
Published
2026-09-21 15:25
Modified
2026-09-21 18:43
Severity ?
2.4 (Low) - CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CWE
Summary
The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items.
References
Impacted products
Vendor Product Version
Nextcloud Collectives Version: 3.2.1   ≤ 3.5.0
 Create a notification for this product.
Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-77166",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-21T18:42:53.420732Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-21T18:43:30.904Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://hackerone.com/reports/3599470"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Collectives",
          "vendor": "Nextcloud",
          "versions": [
            {
              "lessThanOrEqual": "3.5.0",
              "status": "affected",
              "version": "3.2.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "_dha (yoyomiski)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and line breaks, the sidebar layout becomes broken and can hide other items."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-840",
              "description": "CWE-840 Business Logic Errors",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-21T15:25:33.269Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://hackerone.com/reports/3599470"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-77166",
    "datePublished": "2026-09-21T15:25:33.269Z",
    "dateReserved": "2026-08-20T15:00:00.606Z",
    "dateUpdated": "2026-09-21T18:43:30.904Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CERTFR-2026-AVI-1392
Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Nextcloud. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Nextcloud Server Server versions 28.0.x antérieures à 28.0.15 pour nextcloud
Nextcloud Server Server versions 29.0.x antérieures à 29.0.16.19 pour nextcloud entreprise
Nextcloud Server Server versions 24.0.x antérieures à 24.0.13 pour nextcloud
Nextcloud Server Server versions 34.0.x antérieures à 34.0.2 pour nextcloud entreprise
Nextcloud Server Server versions 32.0.x antérieures à 32.0.13 pour nextcloud
Nextcloud Server Server versions 29.0.x antérieures à 29.0.17 pour nextcloud
Nextcloud Server Server versions 33.0.x antérieures à 33.0.7 pour nextcloud enterprise
Nextcloud Files Confidential Files Confidential versions postérieures à 4.0.0 et antérieures à 4.1.1 pour nextcloud
Nextcloud Server Server versions 24.0.x antérieures à 24.0.12.37 pour nextcloud entreprise
Nextcloud Server Server versions 34.0.x antérieures à 34.0.2 pour nextcloud
Nextcloud Server Server versions 26.0.x antérieures à 26.0.13.29 pour nextcloud entreprise
Nextcloud Richdocuments Richdocuments versions 11.0.x antérieures à 11.0.1 pour nextcloud
Nextcloud Server Server versions 27.x antérieures à 27.1.12 pour nextcloud
Nextcloud Server Server versions 27.x antérieures à 27.1.11.29 pour nextcloud entreprise
Nextcloud Richdocuments Richdocuments versions postérieures à 10.0.0 et antérieures à 10.2.1 pour nextcloud
Nextcloud Server Server versions 32.0.x antérieures à 32.0.13 pour nextcloud entreprise
Nextcloud Server Server versions 33.0.x antérieures à 33.0.7 pour nextcloud
Nextcloud Server Server versions 31.0.x antérieures à 31.0.14.8 pour nextcloud entreprise
Nextcloud Files Confidential Files Confidential versions postérieures à 5.0.0 et antérieures à 5.1.0 pour nextcloud
Nextcloud Richdocuments Richdocuments versions postérieures à 9.0.0 et antérieures à 9.1.1 pour nextcloud
Nextcloud Server Server versions 22.x antérieures à 22.2.11 pour nextcloud
Nextcloud Server Server versions 23.0.x antérieures à 23.0.12.38 pour nextcloud entreprise
Nextcloud Server Server versions 23.0.x antérieures à 23.0.13 pour nextcloud
Nextcloud Server Server versions 25.0.x antérieures à 25.0.13.32 pour nextcloud entreprise
Nextcloud Server Server versions 30.0.x antérieures à 30.0.17.12 pour nextcloud entreprise
Nextcloud Server Server versions 26.0.x antérieures à 26.0.14 pour nextcloud
Nextcloud Server Server versions 22.x antérieures à 22.2.10.42 pour nextcloud entreprise
Nextcloud Server Server versions 30.0.x antérieures à 30.0.18 pour nextcloud
Nextcloud Collectives Collectives versions postérieures à 4.0.0 et antérieures à 4.4.0 pour nextcloud
Nextcloud Server Server versions 25.0.x antérieures à 25.0.14 pour nextcloud
Nextcloud Files Confidential Files Confidential versions 3.3.x antérieures à 3.3.1 pour nextcloud
Nextcloud Server Server versions 31.0.x antérieures à 31.0.15 pour nextcloud
Nextcloud Server Server versions 28.0.x antérieures à 28.0.14.20 pour nextcloud entreprise
References

Show details on source website

To clipboard 

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Server versions 28.0.x ant\u00e9rieures \u00e0 28.0.15 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 29.0.x ant\u00e9rieures \u00e0 29.0.16.19 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 24.0.x ant\u00e9rieures \u00e0 24.0.13 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 34.0.x ant\u00e9rieures \u00e0 34.0.2 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 32.0.x ant\u00e9rieures \u00e0 32.0.13 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 29.0.x ant\u00e9rieures \u00e0 29.0.17 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 33.0.x ant\u00e9rieures \u00e0 33.0.7 pour nextcloud enterprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Files Confidential versions post\u00e9rieures \u00e0 4.0.0 et ant\u00e9rieures \u00e0 4.1.1 pour nextcloud",
      "product": {
        "name": "Files Confidential",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 24.0.x ant\u00e9rieures \u00e0 24.0.12.37 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 34.0.x ant\u00e9rieures \u00e0 34.0.2 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 26.0.x ant\u00e9rieures \u00e0 26.0.13.29 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Richdocuments versions 11.0.x ant\u00e9rieures \u00e0 11.0.1 pour nextcloud",
      "product": {
        "name": "Richdocuments",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 27.x ant\u00e9rieures \u00e0 27.1.12 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 27.x ant\u00e9rieures \u00e0 27.1.11.29 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Richdocuments versions post\u00e9rieures \u00e0 10.0.0 et ant\u00e9rieures \u00e0 10.2.1 pour nextcloud",
      "product": {
        "name": "Richdocuments",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 32.0.x ant\u00e9rieures \u00e0 32.0.13 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 33.0.x ant\u00e9rieures \u00e0 33.0.7 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 31.0.x ant\u00e9rieures \u00e0 31.0.14.8 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Files Confidential versions post\u00e9rieures \u00e0 5.0.0 et ant\u00e9rieures \u00e0 5.1.0 pour nextcloud",
      "product": {
        "name": "Files Confidential",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Richdocuments versions post\u00e9rieures \u00e0 9.0.0 et ant\u00e9rieures \u00e0 9.1.1 pour nextcloud",
      "product": {
        "name": "Richdocuments",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 22.x ant\u00e9rieures \u00e0 22.2.11 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 23.0.x ant\u00e9rieures \u00e0 23.0.12.38 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 23.0.x ant\u00e9rieures \u00e0 23.0.13 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 25.0.x ant\u00e9rieures \u00e0 25.0.13.32 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 30.0.x ant\u00e9rieures \u00e0 30.0.17.12 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 26.0.x ant\u00e9rieures \u00e0 26.0.14 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 22.x ant\u00e9rieures \u00e0 22.2.10.42 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 30.0.x ant\u00e9rieures \u00e0 30.0.18 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Collectives versions post\u00e9rieures \u00e0 4.0.0 et ant\u00e9rieures \u00e0 4.4.0 pour nextcloud",
      "product": {
        "name": "Collectives",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 25.0.x ant\u00e9rieures \u00e0 25.0.14 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Files Confidential versions 3.3.x ant\u00e9rieures \u00e0 3.3.1 pour nextcloud",
      "product": {
        "name": "Files Confidential",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 31.0.x ant\u00e9rieures \u00e0 31.0.15 pour nextcloud",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 28.0.x ant\u00e9rieures \u00e0 28.0.14.20 pour nextcloud entreprise",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-67400",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-67400"
    },
    {
      "name": "CVE-2026-77173",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-77173"
    },
    {
      "name": "CVE-2026-77167",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-77167"
    },
    {
      "name": "CVE-2026-77171",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-77171"
    },
    {
      "name": "CVE-2026-77172",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-77172"
    },
    {
      "name": "CVE-2026-114601",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-114601"
    }
  ],
  "initial_release_date": "2026-10-27T00:00:00",
  "last_revision_date": "2026-10-27T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1392",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-10-27T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Nextcloud. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Nextcloud",
  "vendor_advisories": [
    {
      "published_at": "2026-10-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-p9qq-6vpv-x7wj",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p9qq-6vpv-x7wj"
    },
    {
      "published_at": "2026-10-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-w7pp-8m7c-555c",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w7pp-8m7c-555c"
    },
    {
      "published_at": "2026-10-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-5572-968j-v7g5",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5572-968j-v7g5"
    },
    {
      "published_at": "2026-10-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-qwm4-h3xh-gmvc",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qwm4-h3xh-gmvc"
    },
    {
      "published_at": "2026-10-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-x4hv-m8g6-5cj4",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x4hv-m8g6-5cj4"
    },
    {
      "published_at": "2026-10-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-6m4h-j3wr-v388",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6m4h-j3wr-v388"
    }
  ]
}