CVE-2026-73571

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 impersonate another user and send emails without...

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...

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...

EUVD-2026-58069

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...

CVE-2026-73570

CVE-2026-73570 is a remote code execution vulnerability in Zimbra Collaboration (ZCS) before 10.1.20 , triggered 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 unauthent...

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...

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...

PT-2026-71677

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration ZCS versions prior to 10.1.17 Description An authorization bypass occurs due to improper validation in the delegated email sending functionality. An authenticated attacker can send specially crafted SOAP requests to the...

CVE-2026-73573: Path Traversal: '../filedir'

In Zimbra Collaboration ZCS before 10.1.17, a path traversal vulnerability exists in the Zimbra Briefcase document editing functionality due to improper validation of the packages parameter. An authenticated attacker can exploit this vulnerability by supplying a crafted path traversal sequence,...

PT-2026-71676

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration Suite versions prior to 10.1.20 Description An unauthenticated remote code execution issue exists due to improper sanitization of untrusted input during SNMP notification processing. When the optional zimbra-snmp package i...

CVE-2026-73570: Improper Neutralization of Special Elements used in an OS Command

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...

CVE-2026-73575: Cross-Site Request Forgery (CSRF)

In Zimbra Collaboration ZCS before 10.1.17, a Cross-Site Request Forgery CSRF vulnerability exists in the Exchange Web Services EWS endpoint of Zimbra Collaboration ZCS due to insufficient validation of request content types. An attacker can exploit this vulnerability by causing an authenticated...

PT-2026-71681

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration ZCS versions prior to 10.1.17 Description A Cross-Site Request Forgery CSRF issue exists due to insufficient validation of request content types. This allows an attacker to trick an authenticated user into submitting a...

PT-2026-71680

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration versions prior to 10.1.17 Description A local file inclusion LFI issue exists in the Zimbra Classic Web Client within the Forward servlet. This is caused by improper validation of the fu request parameter, which allows an...

CVE-2026-73571: Incorrect Authorization

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 impersonate another user and send emails without...

CVE-2026-73572: Improper Neutralization of Input During Web Page Generation

In Zimbra Collaboration ZCS before 10.1.17, a stored cross-site scripting XSS vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific attachment content during inline preview. An attacker can send a crafted email containing a malicious attachment that,...

CVE-2026-73574: Incorrect Resource Transfer Between Spheres

In Zimbra Collaboration before 10.1.17, a local file inclusion LFI vulnerability exists in the Zimbra Classic Web Client due to improper validation of the fu request parameter. An unauthenticated attacker can exploit this vulnerability by supplying a crafted path, potentially allowing unauthorize...

PT-2026-71679

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration ZCS versions prior to 10.1.17 Description An issue exists in the Zimbra Briefcase document editing functionality where the packages parameter is not properly validated. An authenticated attacker can use a crafted path...

PT-2026-71682

Name of the Vulnerable Software and Affected Versions Zimbra Collaboration ZCS versions prior to 10.1.17 Description A weak cryptographic key generation issue exists in the OnlyOffice integration. The zimbraDocumentEditingJwtSecret is generated using an insecure random number generator, which lea...

CVE-2026-73576: Use of Predictable Algorithm in Random Number Generator

In Zimbra Collaboration ZCS before 10.1.17, weak cryptographic key generation vulnerability exists in the OnlyOffice integration. The zimbraDocumentEditingJwtSecret is generated using an insecure random number generator, resulting in insufficient entropy. An attacker who obtains a JWT signed with...