CVE-2026-3113
Description
A flaw was found in Mattermost. The system fails to properly set file permissions on downloaded bulk exports. This vulnerability allows other local users on the server to read the sensitive contents of these bulk export files, leading to unauthorized information disclosure.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Understanding the Weakness (CWE)
Confidentiality,Integrity
Technical Impact: Read Application Data; Modify Application Data
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
