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Servers and applications

CVE-2026-66911

Stored Cross-Site Scripting in Zimbra

Severity
Medium 5.3
Published
29 Oct 2026
Last changed
29 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.1.21
Sources
CVE Program

Affected software

SoftwareAffected versions
Zimbra CollaborationServers and applications · cna:synacor|zimbra collaboration
  • Every version before 10.1.21

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-66911