LOW 3.7 NVD

CVE-2026-93637

An authentication rate-limit bypass in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to make repeated password guesses thro

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.

References

https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1

Published: 2026-10-14 · Source: NVD · Feed updated: 2026-10-14

This low severity vulnerability with a CVSS score of 3.7 was published on 2026-10-14 via NVD.

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