CVE-2026-77169

State: Published
Severity: 6.5 Medium
Published: Sep 18, 2026
Updated: Sep 18, 2026
Reserved: Aug 20, 2026

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.

Scores

CVSS	Score	Vector	Source
3.0	6.5 Medium	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N	hackerone

Weaknesses

CWE-284 Improper Access Control - Generic

Affected Products

Product	Versions
Team FoldersNextcloud	13.0.0 to before 22.0.0Affected

References

https://hackerone.com/reports/3674940

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