CVE-2026-93637
CVE-2026-93637 · Zimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate Limiting
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 3.7 · Low · EPSS 0.3%
- Published
- Updated
Affected products and versions
zimbra collaboration suite
- Versions
- ≥ 0, ≤ 10.1.21: Affected (semver)
No fix published