N.B. This bug is present in the Jira 8 version only.
- Grant the Browse Projects permission to the group Anyone so that anon access to issueFunction is allowed.
- Ensure you are logged out of Jira.
- Go to the issue navigator and run a valid JQL query using the expression function, e.g:
Expected result: The query runs without error and returns whichever matching issues are anonymously viewable (for the example query above, this should be every anonymously-viewable issue in the instance).
Actual result: The query fails with the following error message: