CVE-2026-55247

plone.app.event provides the event content type for Plone. Prior to versions 5.2.4 and 6.0.1, the iCalendar import in src/plone/app/event/ical/importer.py accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported events, and commits work per...

plone.app.event vulnerable to denial of service via iCalendar import

Impact By abusing the iCalendar import functionality, a logged-in editor could take the whole site offline, make the server reach into the internal network and read calendar files off disk SSRF, and store XSS. Patches The problem has been patched in plone.app.event. For Plone 6.2: upgrade to...

GHSA-R82H-MQW3-FC56 plone.app.event vulnerable to denial of service via iCalendar import

Impact By abusing the iCalendar import functionality, a logged-in editor could take the whole site offline, make the server reach into the internal network and read calendar files off disk SSRF, and store XSS. Patches The problem has been patched in plone.app.event. For Plone 6.2: upgrade to...

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

plone.app.event provides the event content type for Plone. Prior to versions 5.2.4 and 6.0.1, the iCalendar import in src/plone/app/event/ical/importer.py accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported events, and commits work per...

EUVD-2026-67868

plone.app.event provides the event content type for Plone. Prior to versions 5.2.4 and 6.0.1, the iCalendar import in src/plone/app/event/ical/importer.py accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported events, and commits work per...

CVE-2026-55247

plone.app.event , Plone's event content type, contains multiple issues in its iCalendar import (src/plone/app/event/ical/importer.py) prior to versions 5.2.4 and 6.0.1 . The importer accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported ...

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

plone.app.event provides the event content type for Plone. Prior to versions 5.2.4 and 6.0.1, the iCalendar import in src/plone/app/event/ical/importer.py accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported events, and commits work per...