Skip to content
Sign in
4.3 Medium

CVE-2026-28736 ** UNSUPPORTED WHEN ASSIGNED ** Focalboard version 8.0 fails to validate file ownership when serving uploaded files

Description

** UNSUPPORTED WHEN ASSIGNED ** Focalboard version 8.0 fails to validate file ownership when serving uploaded files. This allows an authenticated attacker who knows a victim's fileID to read the content of the file. NOTE: Focalboard as a standalone product is not maintained and no fix will be issued.

Affected products and versions

Product Affected versions Fixed in
Focalboard 8.0 earliest → 8.0 No fix stated

Other CVEs of Focalboard

The 2 CVEs of Focalboard →
CVE-2026-25773 ** UNSUPPORTED WHEN ASSIGNED ** Focalboard version 8.0 fails to sanitize category IDs before incorporating them into… 8.1 High
Track this CVE