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Product · Zimbra

Zimbra Collaboration Suite

22 known vulnerabilities.

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  • Low 3.7
    CVE-2026-93637 Public exploit

    Zimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate Limiting

    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…

    Zimbra Zimbra Collaboration Suite