CRITICAL

April 2026 CVE Landscape

Recorded Future • May 15, 2026

CRITICAL

Thousands of Zimbra servers vulnerable to actively exploited flaw

SC Media • Apr 27, 2026

CRITICAL

Bulletin d'actualité CERTFR-2026-ACT-019 (27 avril 2026)

CERT-FR (ANSSI) • Apr 27, 2026

CRITICAL

Over 10,000 Zimbra servers vulnerable to ongoing XSS attacks

BleepingComputer • Apr 24, 2026

CRITICAL

Organizations Warned of Exploited Cisco, Kentico, Zimbra Vulnerabilities

SecurityWeek • Apr 21, 2026

CRITICAL

CISA Adds 8 Exploited Flaws to KEV, Sets April-May 2026 Federal Deadlines

The Hacker News • Apr 21, 2026

CRITICAL

Zimbra Collaboration Suite Information Disclosure Vulnerability

HKCERT • Apr 21, 2026

CRITICAL

CISA Adds Eight Known Exploited Vulnerabilities to Catalog

CISA Alerts • Apr 20, 2026