Issue Summary

After migrating both Jira and Confluence from Server/DC to Cloud, links of format "https://jira.company.com/secure/attachment/235524/image-2026-07-23-09-15-34-930.png" refer to the existing server instance.

Scenario

• Jira Server/DC -> Confluence Cloud migration
• Confluence Server/DC -> Confluence Cloud migration

Affects products

• Confluence

Steps to Reproduce

Jira server

1. Create a Jira issue
2. Add an attachment
3. Copy the link of the attachment, in format:
   https://jira.company.com/secure/attachment/235524/image-2026-07-23-09-15-34-930.png

   Confluence server

4. Create a Confluence page
5. For the contents on the page, ensure there is a link which refers to a Jira attachment. In the storage format, the content will be:

   https://jira.company.com/secure/attachment/235524/image-2026-07-23-09-15-34-930.png
   

   Migration

6. Migrate both Jira and Confluence to Cloud
7. Run link fixing
8. Check link

Expected Results

Links are updated after migration to redirect to the appropriate/corresponding Jira attachment URL

Actual Results

Outgoing links still refer to existing Jira Server

Workaround

There is no known workaround