VULNRABLE / Vulnerability / CVE-2026-55248

CVE-2026-55248

CRITICAL WATCH plone.app.portlets GHSA

Exploit verdict: CVSS 9.5 · critical severity

CVSS Score

9.5

Severity

CRITICAL

EPSS

Source

GHSA

Summary

plone.app.portlets vulnerable to denial of service via RSS feed portlet

What this means

CVE-2026-55248 is a critical-severity vulnerability affecting plone.app.portlets, rated CVSS 9.5. The EPSS model estimates a 0% probability of exploitation in the next 30 days. Published August 29, 2026.

View full advisory at GHSA →