CVE-2026-82906

Name of the Vulnerable Software and Affected Versions sdcb chats versions prior to 1.12.1

Description A flaw in the Signed File Download Endpoint component allows remote exploitation due to missing authentication. The issue resides in the DownloadPublic() function within the src/BE/web/Controllers/Chats/Files/FileController.cs file. Exploitation is considered difficult and requires high complexity.

Recommendations As a temporary workaround, restrict access to the DownloadPublic() function until a fix is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.