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

Date Aug 28, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท plone.app.event
CVE CVE-2026-55247
High-risk advisory CVE-2026-55247

Summary

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

Why it matters

GitHub has published a reviewed security advisory for plone.app.event. Prioritize it with other application dependency updates.

Operator check

Check whether plone.app.event is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.