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.
Published: 2026-09-18
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
Link Providers
https://hackerone.com/reports/3599383 cve-icon cve-icon
History

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'}

Subscriptions

Nextcloud Deck
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-09-18T01:26:04.640Z

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

Link: CVE-2026-77170

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-77170

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T11:00:08Z

Weaknesses