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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-10631

Zimbra Collaboration Suite EWS Extension Authorization Bypass via Crafted Composite Folder/Item Identifier

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Status
Published
Published
Updated
Assigning organization
rapid7

Description

An authorization bypass in the EWS FindItem handler of Zimbra Collaboration Suite 10.1.0 through 10.1.19 allows an authenticated user with EWS enabled to read complete mailbox items, including raw MIME and attachments, from arbitrary local accounts without a share or delegation grant.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Zimbra Zimbra Collaboration Suite

Default version status: unaffected

  • 0 to < 10.1.20affected

References