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CVE-2026-45281

🗓️ 01 Jun 2026 16:52:57Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 34 Views

Authenticated attacker can view and modify a calendar due to improper authorization in Nextcloud Server calendars.

Related
Detection
Affected
Refs
NVD
Vulners
Node
nextcloudnextcloud_serverRange32.0.032.0.9-
OR
nextcloudnextcloud_serverRange33.0.033.0.3-
Node
nextcloudnextcloud_serverRange21.0.021.0.9.23enterprise
OR
nextcloudnextcloud_serverRange22.0.022.2.10.39enterprise
OR
nextcloudnextcloud_serverRange23.0.023.0.12.35enterprise
OR
nextcloudnextcloud_serverRange24.0.024.0.12.34enterprise
OR
nextcloudnextcloud_serverRange25.0.025.0.13.29enterprise
OR
nextcloudnextcloud_serverRange26.0.026.0.13.26enterprise
OR
nextcloudnextcloud_serverRange27.0.027.1.11.26enterprise
OR
nextcloudnextcloud_serverRange28.0.028.0.14.17enterprise
OR
nextcloudnextcloud_serverRange29.0.029.0.16.16enterprise
OR
nextcloudnextcloud_serverRange30.0.030.0.17.9enterprise
OR
nextcloudnextcloud_serverRange31.0.031.0.14.5enterprise
OR
nextcloudnextcloud_serverRange32.0.032.0.9enterprise
OR
nextcloudnextcloud_serverRange33.0.033.0.3enterprise
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 32.0.0, < 32.0.9",
        "status": "affected"
      },
      {
        "version": ">= 33.0.0, < 33.0.3",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:51Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.18.1
EPSS0.00284
SSVC
34