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IDProjectCategoryView StatusDate SubmittedLast Update
0006239SOGoWeb Mailpublic2026-08-27 06:562026-08-27 06:56
Reportermefestofel Assigned To 
PrioritynormalSeverityminorReproducibilityrandom
Status newResolutionopen 
PlatformLinuxOSDebianOS Version12.14
Product Version5.12.10 
Summary0006239: Attachments Mismatch When Two Users Send Emails Concurrently from the Same Mailbox via Web Interface
Description

We are experiencing a critical issue with the SOGo web interface when two users are simultaneously logged into and using the same email account.

When two users compose and send two different emails at the same time from the same mailbox using the web interface, the file attachment from one email is incorrectly attached to the other email, and vice versa.

The attachments become swapped between the two outgoing messages.

Example:
email.xyz.zz - 0.0.0.148 - - [26/Aug/2026:11:54:41 +0300] "POST /SOGo/so/info@abc.aa/Mail/0/folderDrafts/newDraft1787734448-1/send HTTP/2.0" 200 95 "https://email.xyz.zz/SOGo/so/info@abc.aa/Mail//UIxMailPopupView" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36" 0.342 0.340
email.xyz.zz - 0.0.0.149 - - [26/Aug/2026:11:54:44 +0300] "POST /SOGo/so/info@abc.aa/Mail/0/folderDrafts/newDraft1787734448-1/send HTTP/2.0" 200 20 "https://email.xyz.zz/SOGo/so/info@abc.aa/Mail//UIxMailPopupView" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.36" 0.307 0.306

Steps To Reproduce
  1. Two users log in to the same SOGo mailbox using the web interface (same credentials).
  2. User A creates a new email to Recipient A and attaches File A.
  3. User B creates a new email to Recipient B and attaches File B.
  4. Both users click "Send" at approximately the same time.
Additional Information

Environment Details:
OS: Debian 12
SOGo: 5.12.9.20260531-1
nginx: 1.22.1-9+deb12u7

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Issue History

Date Modified Username Field Change
2026-08-27 06:56 mefestofel New Issue