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CVE-2026-45120

🗓️ 18 Aug 2026 15:52:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 17 Views

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

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-45120
18 Aug 202615:52
attackerkb
cvelist
Cvelist
CVE-2026-45120 MyBB: Insufficient authorization for private calendar events
18 Aug 202615:52
cvelist
euvd
EUVD
EUVD-2026-61017
18 Aug 202615:52
euvd
nvd
NVD
CVE-2026-45120
18 Aug 202616:17
nvd
ptsecurity
Positive Technologies
PT-2026-77174
18 Aug 202600:00
ptsecurity
Vulners
Node
mybbmybbRange<1.8.40
[
  {
    "vendor": "mybb",
    "product": "mybb",
    "versions": [
      {
        "version": "< 1.8.40",
        "status": "affected"
      }
    ]
  }
]

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18 Aug 2026 18:17Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.15.4
EPSS0.00223
17