PatchSiren

Zimbra CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM Zimbra CVE published 2026-08-13

CVE-2026-73572

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-13T16:19:06.287Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. CVE-2026-73572 is a stored cross-site scripting (XSS) vulnerability in Zimbra Collaboration (ZCS) before 10.1.17. The vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitiz [truncated]

LOW Zimbra CVE published 2026-08-13

CVE-2026-73571

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-13T16:19:06.150Z and has not been modified since then. An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality. An authenticated attacker can send specially crafted SOAP requests to im [truncated]

HIGH Zimbra CVE published 2026-08-13

CVE-2026-73570

A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.