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-2026-73576

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...

CVE-2026-73576

CVE-2026-73576 affects Zimbra Collaboration (ZCS) before 10.1.17 via the OnlyOffice integration. The zimbraDocumentEditingJwtSecret is generated with an insecure RNG, yielding insufficient entropy. This may allow offline brute-forcing to recover the JWT signing secret, enabling JWT forgery and po...

CVE-2026-73576

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...

EUVD-2026-58075

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...

CVE-2026-73575

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...

CVE-2026-73575

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...

CVE-2026-73575

CVE-2026-73575 affects Zimbra Collaboration (ZCS) pre-10.1.17. A CSRF vulnerability exists in the Exchange Web Services (EWS) endpoint caused by insufficient validation of request content types. An attacker could induce an authenticated user to submit a crafted request, potentially allowing unaut...

EUVD-2026-58074

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...

CVE-2026-73575

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...

EUVD-2026-58073

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...

CVE-2026-73574

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...

CVE-2026-73574

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...

EUVD-2026-58072

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,...

CVE-2026-73573

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,...

CVE-2026-73573

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,...

CVE-2026-73573

A path traversal vulnerability in Zimbra Collaboration (ZCS) before 10.1.17 affects the Briefcase document editing functionality, where the packages parameter is not properly validated. An authenticated attacker can supply a crafted path traversal sequence to disclose sensitive files within the w...

CVE-2026-73572

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-2026-73572

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,...

EUVD-2026-58071

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,...