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CVE-2026-55247 plone.app.event: Denial of service via iCalendar import

🗓️ 28 Aug 2026 18:59:01Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

DoS, SSRF, and stored XSS in plone.app.event iCalendar import before 5.2.4 and 6.0.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55247
28 Aug 202619:10
circl
cve
CVE
CVE-2026-55247
28 Aug 202618:59
cve
euvd
EUVD
EUVD-2026-67868
28 Aug 202618:59
euvd
github
Github Security Blog
plone.app.event vulnerable to denial of service via iCalendar import
28 Aug 202618:59
github
nvd
NVD
CVE-2026-55247
28 Aug 202620:18
nvd
osv
OSV
GHSA-R82H-MQW3-FC56 plone.app.event vulnerable to denial of service via iCalendar import
28 Aug 202618:59
osv
ptsecurity
Positive Technologies
PT-2026-55510
3 Jul 202600:00
ptsecurity
[
  {
    "vendor": "plone",
    "product": "plone.app.event",
    "versions": [
      {
        "version": "< 5.2.4",
        "status": "affected"
      },
      {
        "version": ">= 6.0.0, < 6.0.1",
        "status": "affected"
      }
    ]
  }
]

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