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Zimbra CVE-2026-73570 Actively Exploited: Patch Now
Active exploitation targets Zimbra servers via CVE-2026-73570, a high-severity flaw allowing unauthenticated RCE. Patch to v10.1.20 now.
CVE-2025-66376: APT28 Exploits Zimbra Zero-Click for Espionage
Russian state-sponsored actors exploit a zero-click Zimbra vulnerability (CVE-2025-66376) to exfiltrate sensitive webmail data from targeted organizations.
Multi-Threat Brief: AI Malware, Zimbra Exploits, Linux Kernel Flaws
Analysis of recent threats including DolphinX AI malware, state-sponsored Zimbra exploits, Siemens industrial switch vulnerabilities, and 400 Linux kernel flaws.
Zimbra Zero-Day Exploited by Laundry Bear Against US & Ukraine
Russian state-sponsored group 'Laundry Bear' exploits a Zimbra zero-day via 'half-click' phishing, targeting US and Ukrainian entities for credential theft and backdoor…
Russian APT Exploits Zimbra Zero-Day to Exfiltrate Mail and 2FA Codes
Russian state-supported actors leveraged a Zimbra Zero-Day to steal 90 days of email history and bypass security by exfiltrating 2FA recovery codes.
Zimbra Classic Web Client Stored XSS Leads to Session Hijacking
Zimbra warns of a critical stored XSS vulnerability in the Classic Web Client allowing attackers to execute malicious code via crafted emails.
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Zimbra Classic Web Client XSS: Critical Flaw Under Active Exploit
A critical XSS vulnerability in Zimbra Classic Web Client is under active exploitation, allowing credential theft and session hijacking.
Zimbra XSS Attacks: Over 10,000 Servers Vulnerable — Patch Now
Ongoing cross-site scripting (XSS) attacks exploit a flaw in Zimbra Collaboration Suite (ZCS), leaving over 10,000 online servers vulnerable.
CISA KEV Expansion: Exploit Guidance for Cisco, Kentico, and Zimbra
CISA adds 8 vulnerabilities to the KEV catalog, including critical flaws in Cisco ASA and Zimbra. Analyze technical impact and remediation requirements.
CISA KEV Update: Eight New Vulnerabilities in Cisco, TeamCity, and Zimbra
CISA adds eight vulnerabilities to the KEV Catalog, including flaws in Cisco SD-WAN and JetBrains TeamCity, requiring immediate federal agency remediation.
APT28 Targets Ukraine via CVE-2024-45519 Zimbra Exploit
Russian APT28 hackers exploit CVE-2024-45519 in Zimbra Collaboration Suite to target Ukrainian government entities via malicious email-based command injection.
CISA KEV Update: CVE-2025-66376 Zimbra and SharePoint Exploits
CISA warns of active exploitation for Zimbra CVE-2025-66376, SharePoint flaws, and Cisco zero-days used in ransomware attacks. Secure your systems now.
CVE-2024-4510: Zimbra Collaboration Suite XSS Exploitation Guide
CISA adds CVE-2024-4510 to the KEV catalog following active exploitation of a Zimbra Collaboration Suite XSS vulnerability. Patch ZCS version 9.0.0 today.