Description
File owners were unable to unlock TYPE_TOKEN locks placed by other users, leaving files permanently locked with no recovery path outside of the database.
Published: 2026-09-21
Score: 6.5 Medium
EPSS: n/a
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/3770482 cve-icon cve-icon
History

Mon, 21 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Title Permanent File Locks due to Improper Access Control in Nextcloud Server

Mon, 21 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Description File owners were unable to unlock TYPE_TOKEN locks placed by other users, leaving files permanently locked with no recovery path outside of the database.
Weaknesses CWE-284
References
Metrics cvssV3_0

{'score': 6.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-09-21T15:25:33.553Z

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

Link: CVE-2026-77165

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-21T16:17:23.863

Modified: 2026-09-21T16:17:23.863

Link: CVE-2026-77165

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-21T16:30:11Z

Weaknesses