CVE-2026-33368

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...

PT-2026-26612

Zimbra Collaboration Suite ZCS 10.0 and 10.1 contains a reflected cross-site scripting XSS vulnerability in the Classic Webmail REST interface /h/rest. The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafte...

CVE-2026-33371

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. An XML External Entity XXE vulnerability exists in the Zimbra Exchange Web Services EWS SOAP interface due to improper handling of XML input. An authenticated attacker can submit crafted XML data that is processed by an XML parser...

Zimbra Collaboration 安全漏洞

Zimbra Collaboration is an open-source enterprise-level email and collaboration platform developed by Zimbra Corporation. It supports email, calendar, document management, and team collaboration features. Versions 10.0 and 10.1 of Zimbra Collaboration contain security vulnerabilities. These...

CVE-2026-33371

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. An XML External Entity XXE vulnerability exists in the Zimbra Exchange Web Services EWS SOAP interface due to improper handling of XML input. An authenticated attacker can submit crafted XML data that is processed by an XML parser...

PT-2026-26616

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A cross-site request forgery CSRF vulnerability exists in Zimbra Webmail due to improper validation of CSRF tokens. The application accepts CSRF tokens supplied within the request body instead of requiring them through the expecte...

Zimbra Collaboration 安全漏洞

Zimbra Collaboration is an open-source enterprise-level email and collaboration platform developed by Zimbra Corporation. It supports email, calendar, document management, and team collaboration features. Versions 10.0 and 10.1 of Zimbra Collaboration contain security vulnerabilities. These...

CVE-2026-33369

Zimbra Collaboration ZCS 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit thi...

PT-2026-26615

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. An XML External Entity XXE vulnerability exists in the Zimbra Exchange Web Services EWS SOAP interface due to improper handling of XML input. An authenticated attacker can submit crafted XML data that is processed by an XML parser...

PT-2026-26613

Zimbra Collaboration ZCS 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit thi...

CVE-2026-33370

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A stored cross-site scripting XSS vulnerability exists in the Zimbra Briefcase feature due to insufficient sanitization of specific uploaded file types. When a user opens a publicly shared Briefcase file containing malicious...

CVE-2026-33372

CVE-2026-33372 affects Zimbra Collaboration (ZCS) 10.0 and 10.1. A CSRF vulnerability in Zimbra Webmail arises from improper validation of CSRF tokens, accepting tokens in the request body instead of requiring them in the header. An attacker can lure an authenticated user into submitting a crafte...

CVE-2026-33372

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A cross-site request forgery CSRF vulnerability exists in Zimbra Webmail due to improper validation of CSRF tokens. The application accepts CSRF tokens supplied within the request body instead of requiring them through the expecte...

CVE-2026-33371

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. An XML External Entity XXE vulnerability exists in the Zimbra Exchange Web Services EWS SOAP interface due to improper handling of XML input. An authenticated attacker can submit crafted XML data that is processed by an XML parser...

CVE-2026-33372

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A cross-site request forgery CSRF vulnerability exists in Zimbra Webmail due to improper validation of CSRF tokens. The application accepts CSRF tokens supplied within the request body instead of requiring them through the expecte...

CVE-2026-33369

Zimbra Collaboration ZCS 10.0 and 10.1 contains an LDAP injection vulnerability in the Mailbox SOAP service within a FolderAction operation. The application fails to properly sanitize user-supplied input before incorporating it into an LDAP search filter. An authenticated attacker can exploit thi...

CVE-2026-33370

An issue was discovered in Zimbra Collaboration ZCS 10.0 and 10.1. A stored cross-site scripting XSS vulnerability exists in the Zimbra Briefcase feature due to insufficient sanitization of specific uploaded file types. When a user opens a publicly shared Briefcase file containing malicious...

@ckeditor/ckeditor-cloud-services-collaboration (>=23.0.0 <=29.0.0), @ckeditor/ckeditor5-real-time-collaboration (>=29.1.0 <=33.0.0) +2 more potentially affected by CVE-2026-33151 via socket.io-parser (=3.4.1)

socket.io-parser NPM version =3.4.1 is affected by a known vulnerability. The following packages have a transitive dependency on socket.io-parser and may be impacted: - @ckeditor/ckeditor-cloud-services-collaboration =23.0.0, =29.1.0, =29.0.0, =1.5.3, =2.1.0 Source cves: CVE-2026-33151 Source...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-66376link is external Synacor Zimbra Collaboration Suite ZCS Cross-Site Scripting Vulnerability This type of vulnerability is a frequent attack vector for...

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability

Synacor Zimbra Collaboration Suite ZCS contains a cross-site scripting vulnerability in the Classic UI where attackers could abuse Cascading Style Sheets CSS @import directives in email HTML...