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CVE-2026-45120

🗓️ 18 Aug 2026 15:52:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 44 Views🌐 WEB

MyBB before 1.8.40 allows unauthorized access to private calendar events via missing authorization checks in calendar module.

Related
Detection
Affected
Refs
Paths
Vulners
Node
mybbmybbRange<1.8.40
[
  {
    "vendor": "mybb",
    "product": "mybb",
    "versions": [
      {
        "version": "< 1.8.40",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
actionpath/calendar.phpThe calendar module fails to consistently verify private event status, allowing users with viewing and moderation permissions to access and moderate private events via various actions.CWE-639

Data

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08 Sep 2026 21:02Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
EPSS0.00304
44