CERTFR-2026-AVI-0583

Vulnerability from certfr_avis - Published: 2026-05-13 - Updated: 2026-05-13

De multiples vulnérabilités ont été découvertes dans les produits Nextcloud. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données, une injection SQL (SQLi) 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 Tables Tables versions 0.7.x antérieures à 0.7.7
Nextcloud Enterprise Server Enterprise Server versions 29.0.x antérieures à 29.0.16.16
Nextcloud Tables Tables versions 0.8.x et postérieures à 2.0.0
Nextcloud Enterprise Server Enterprise Server versions 33.0.x antérieures à 33.0.3
Nextcloud Enterprise Server Enterprise Server versions 31.0.x antérieures à 31.0.14.5
Nextcloud Enterprise Server Enterprise Server versions 30.0.x antérieures à 30.0.17.9
Nextcloud Enterprise Server Enterprise Server versions 32.0.x antérieures à 32.0.9
Nextcloud Server Server versions 33.0.x antérieures à 33.0.3
Nextcloud Server Server versions 32.0.x antérieures à 32.0.9
Nextcloud N/A Forms versions postérieures ou égales à 4.3.0 et antérieures à 5.2.7
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Tables versions 0.7.x ant\u00e9rieures \u00e0 0.7.7",
      "product": {
        "name": "Tables",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Enterprise Server versions 29.0.x ant\u00e9rieures \u00e0 29.0.16.16",
      "product": {
        "name": "Enterprise Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Tables versions 0.8.x et post\u00e9rieures \u00e0 2.0.0",
      "product": {
        "name": "Tables",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Enterprise Server versions 33.0.x ant\u00e9rieures \u00e0 33.0.3",
      "product": {
        "name": "Enterprise Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Enterprise Server versions 31.0.x ant\u00e9rieures \u00e0 31.0.14.5",
      "product": {
        "name": "Enterprise Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Enterprise Server versions 30.0.x ant\u00e9rieures \u00e0 30.0.17.9",
      "product": {
        "name": "Enterprise Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Enterprise Server versions 32.0.x ant\u00e9rieures \u00e0 32.0.9",
      "product": {
        "name": "Enterprise Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 33.0.x ant\u00e9rieures \u00e0 33.0.3",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Server versions 32.0.x ant\u00e9rieures \u00e0 32.0.9",
      "product": {
        "name": "Server",
        "vendor": {
          "name": "Nextcloud",
          "scada": false
        }
      }
    },
    {
      "description": "Forms versions post\u00e9rieures ou \u00e9gales \u00e0 4.3.0 et ant\u00e9rieures \u00e0 5.2.7",
      "product": {
        "name": "N/A",
        "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-2026-45691",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-45691"
    },
    {
      "name": "CVE-2026-45543",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-45543"
    },
    {
      "name": "CVE-2026-45545",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-45545"
    },
    {
      "name": "CVE-2026-45544",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-45544"
    }
  ],
  "initial_release_date": "2026-05-13T00:00:00",
  "last_revision_date": "2026-05-13T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0583",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-13T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Injection SQL (SQLi)"
    },
    {
      "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. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une injection SQL (SQLi) et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Nextcloud",
  "vendor_advisories": [
    {
      "published_at": "2026-05-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-q4fw-6jf8-5vhh",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q4fw-6jf8-5vhh"
    },
    {
      "published_at": "2026-05-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-mp6x-g55j-w9jw",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mp6x-g55j-w9jw"
    },
    {
      "published_at": "2026-05-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-vvxm-6jjp-m9mp",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vvxm-6jjp-m9mp"
    },
    {
      "published_at": "2026-05-13",
      "title": "Bulletin de s\u00e9curit\u00e9 Nextcloud GHSA-x43f-gmgh-vvjj",
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x43f-gmgh-vvjj"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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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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