The Deck config API allows authenticated users to set board-scoped configuration keys for arbitrary board IDs without validating whether the user owns or has permission to manage the referenced board.

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Fixes

Solution

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Workaround

No workaround given by the vendor.

References
History

Sat, 19 Sep 2026 02:45:00 +0000

Type Values Removed Values Added
Title Deck API Allows Unauthorized Configuration Changes to Boards

Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
First Time appeared Nextcloud
Nextcloud deck
Vendors & Products Nextcloud
Nextcloud deck

Fri, 18 Sep 2026 01:45:00 +0000

Type Values Removed Values Added
Description The Deck config API allows authenticated users to set board-scoped configuration keys for arbitrary board IDs without validating whether the user owns or has permission to manage the referenced board.
Weaknesses CWE-284
References
Metrics cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-09-18T19:41:31.474Z

Reserved: 2026-08-20T15:00:00.606Z

Link: CVE-2026-77170

cve-icon Vulnrichment

Updated: 2026-09-18T19:41:27.000Z

cve-icon NVD

Status : Deferred

Published: 2026-09-18T02:17:07.783

Modified: 2026-09-18T20:17:22.493

Link: CVE-2026-77170

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T02:30:17Z

Weaknesses