PT-2026-114350 · Zimbra · Zimbra Collaboration Suite
CVE-2026-93637
·
Published
2026-10-14
·
Updated
2026-10-14
CVSS v3.1
3.7
Low
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
An authentication rate-limit bypass in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to make repeated password guesses through GraphQL without incrementing Zimbra’s source-IP failure counter. GraphQL aliases allow multiple authentication attempts in one HTTP request.
Fix
Improper Restriction of Excessive Authentication Attempts
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Weakness Enumeration
Related Identifiers
Affected Products
Zimbra Collaboration Suite