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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories |
|
History
Thu, 08 Oct 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Zimbra
Zimbra zimbra Collaboration Suite |
|
| Vendors & Products |
Zimbra
Zimbra zimbra Collaboration Suite |
Thu, 08 Oct 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Zimbra Collaboration Suite EWS Extension Authorization Bypass via Crafted Composite Folder/Item Identifier | |
| Weaknesses | CWE-639 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: rapid7
Published:
Updated: 2026-10-08T19:11:17.411Z
Reserved: 2026-06-02T14:57:14.369Z
Link: CVE-2026-10631
No data.
Status : Received
Published: 2026-10-08T17:17:16.410
Modified: 2026-10-08T17:17:16.410
Link: CVE-2026-10631
No data.
OpenCVE Enrichment
Updated: 2026-10-08T18:45:17Z
Weaknesses