CVE-2026-77169 Missing authorization in Team Folders
Delegated administrators can bypass folder-level authorization controls in Nextcloud Team Folders when used with the workspace app.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77169?
CVE-2026-77169 is a medium-severity missing authorization vulnerability in Nextcloud Team Folders, published on 18 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the team folders (formerly group folders) app when used in combination with the workspace app allowed API/REST-only delegated administrators to bypass folder-level authorization controls. The workspace app enables organizations to delegate limited administrative privileges for team folder management via API/REST only, restricting access to folders for which the admin has advanced permissions.
Weakness: CWE-284
Which versions are affected by CVE-2026-77169?
How do I fix CVE-2026-77169?
No fix has been published for CVE-2026-77169 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-77169 being exploited?
There is no known exploitation of CVE-2026-77169 in the wild and no public exploit code.
Sources
Also known as GHSA-v94x-5qwj-fqpj.