Zimbra — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
27
occurrences
First Seen
February 4, 2026
Last Seen
July 24, 2026

Related Threat Clusters

Recent Intelligence Reports

  • Operation Roundpress — www.welivesecurity.com · July 24, 2026
  • WinterVivern — www.welivesecurity.com · July 24, 2026
  • Zimbra's November 2025 security release — wiki.zimbra.com · July 24, 2026
  • US Agencies Warn of Laundry Bear Campaign Targeting Unpatched Zimbra Servers — Securityaffairs.Co · July 24, 2026
  • Russian attackers exploit zero-click vulnerability in Zimbra — Heise.De · July 24, 2026
  • Russian Hackers Stole Hundreds of Zimbra Users' Emails — www.novinky.cz · July 24, 2026
  • Russian Hackers Stole Hundreds of Zimbra Users' Emails — www.novinky.cz · July 24, 2026
  • Russian Hackers Stole Hundreds of Zimbra Users' Emails — www.novinky.cz · July 24, 2026

CVSS v3.1 Breakdown