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

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...

ExchangeRelayX - An NTLM Relay Tool To The EWS Endpoint For On-Premise Exchange Servers (Provides An OWA For Hackers)

Version 1.0.0. This tool is a PoC to demonstrate the ability of an attacker to perform an SMB or HTTP based NTLM relay attack to the EWS endpoint on an on-premise Microsoft Exchange server to compromise the mailbox of the victim. This tool provides the attacker with an OWA looking interface, with...

OWA for hackers: ExchangeRelayX

ExchangeRelayX is a PoC tools to demonstrate the ability of an attacker to perform an SMB or HTTP based NTLM relay attack to the EWS endpoint on an on-premise Microsoft Exchange server to compromise the mailbox of the victim. This tool provides the attacker with an OWA looking interface, with...