CVE-2021-26069

Name of the Vulnerable Software and Affected Versions Atlassian Jira Server and Data Center versions prior to 8.5.11 Atlassian Jira Server and Data Center versions 8.6.0 through 8.13.3 Atlassian Jira Server and Data Center versions 8.14.0 through 8.15.0

Description The issue allows unauthenticated remote attackers to download temporary files and enumerate project keys via an Information Disclosure vulnerability in the "/rest/api/1.0/issues/{id}/ActionsAndOperations" API endpoint.

Recommendations For versions prior to 8.5.11, update to version 8.5.11 or later. For versions 8.6.0 through 8.13.3, update to version 8.13.3 or later. For versions 8.14.0 through 8.15.0, update to version 8.15.0 or later. As a temporary workaround, consider restricting access to the "/rest/api/1.0/issues/{id}/ActionsAndOperations" API endpoint until a patch is available.