ZC
Product
Zimbra Collaboration
by Synacor · last CVE Oct 29, 2026
2
CVEs
0
On KEV
5.3
Max CVSS
2
New 30D
Severity mix
Critical 0High 0Medium 2Low 0
Watch

Add Zimbra Collaboration to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-66912
New
5.3–Oct 29
Stored Cross-Site Scripting in Zimbra
Affected: before 10.1.21
CVE-2026-66911
New
5.3–Oct 29
Stored Cross-Site Scripting in Zimbra
Affected: before 10.1.21
Showing 2