CO
Email
Collaboration
by Zimbra · last CVE Oct 23, 2026
On CISA KEVExploited in the wild
74
CVEs
3
On KEV
9.8
Max CVSS
22
New 30D
Severity mix
Critical 4High 20Medium 47Low 2
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2022-41349
6.1
0%
Oct 12
In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/compose accepts an attachUrl parameter that is vulnerable to Reflected XSS
Affected: 8.8.15
CVE-2022-37044
6.1
1%
Aug 12
In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/search?action accepts parameters called extra, title, and onload that are partially sanitised and lead to reflected XSS…
Affected: 8.8.15
CVE-2021-35207
6.1
3%
Jul 2
An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16
Affected: 8.8 before 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; +34 more
CVE-2021-34807
6.1
1%
Jul 2
An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0
Affected: before 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; +34 more
CVE-2018-10939
6.1
1%
May 30
Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group
Affected: 8.8.8
CVE-2022-37043
5.7
0%
Aug 12
An issue was discovered in the webmail component in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0
Affected: 8.8.15; 9.0.0
CVE-2026-93633
New
5.4
0%
Oct 23
Zimbra Collaboration Suite Briefcase CSS Sanitization Bypass via Non-ASCII Stylesheet Characters
Affected: through 10.1.20
CVE-2025-27914
5.4
0%
Mar 12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1
Affected: 10.0.0 before 10.0.11; 9.0.0; 10.1.0
CVE-2024-33536
5.4
0%
Aug 12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0
Affected: 10.0.0 before 10.0.8; 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; +33 more
CVE-2024-33533
5.4
0%
Aug 12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0, issue 1 of 2
Affected: 10.0.0 before 10.0.8; 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; +33 more
CVE-2021-35208
5.4
1%
Jul 2
An issue was discovered in ZmMailMsgView.js in the Calendar Invite component in Zimbra Collaboration Suite 8.8.x before 8.8.15 Patch 23
Affected: 8.8 before 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; +18 more
CVE-2026-93629
New
5.3
0%
Oct 23
Zimbra Collaboration Suite Calendar Processing Authentication Bypass via Forged iCalendar REQUEST Organizer Identity
Affected: through 10.1.21
CVE-2026-93628
New
5.3
0%
Oct 23
Zimbra Collaboration Suite Calendar Processing Authentication Bypass via Forged iCalendar REPLY Attendee Response
Affected: through 10.1.21
CVE-2026-93627
New
5.3
0%
Oct 23
Zimbra Collaboration Suite Calendar Processing Authentication Bypass via Forged iCalendar CANCEL/REQUEST Organizer
Affected: through 10.1.21
CVE-2026-93635
5.3
0%
Oct 14
Zimbra Collaboration Suite LDAP Filter Injection via Unescaped computeDn() Template Substitution
Affected: through 10.1.21
CVE-2025-67809
4.7
0%
Dec 15
An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1
Affected: 10.0.0 before 10.1.13
CVE-2026-115785
New
4.3
1%
Oct 23
Zimbra Collaboration Suite Data Source Test SMTP Command Injection via Unsanitized Email Address
Affected: through 10.1.20
CVE-2026-93636
New
4.3
0%
Oct 23
Zimbra Collaboration Suite LDAP Filter Injection via Calendar Resource Attribute Name
Affected: through 10.1.21
CVE-2026-93634
New
4.3
0%
Oct 23
Zimbra Collaboration Suite Cross-Account Authorization Bypass via Forged Shared-File Records
Affected: through 10.1.20
CVE-2026-93630
New
4.3
0%
Oct 23
Zimbra Collaboration Suite Email HTML Sanitizer Bypass via Hostname Canonicalization
Affected: before 10.1.21
CVE-2026-73571
4.3
0%
Aug 13
An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality
Affected: before 10.1.17
CVE-2026-93637
3.7
0%
Oct 14
Zimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate Limiting
Affected: through 10.1.21
CVE-2026-73575
3.5
0%
Aug 13
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)…
Affected: before 10.1.17
CVE-2008-1226
–
1%
Mar 10
Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration Suite (ZCS) 4.0.3, 4.5.6, and possibly other versions before 4.5.10 allow remote attackers to inject…
Affected: 4.0.3; 4.5.6
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