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All vulnerabilities

Servers and applications

CVE-2026-93630

Zimbra Collaboration Suite Email HTML Sanitizer Bypass via Hostname Canonicalization

Severity
Medium 4.3
Published
23 Oct 2026
Last changed
28 Oct 2026
Added to UpHeron
3 Nov 2026
Fixed in
10.1.21
Sources
CVE Program

Affected software

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

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-93630