---
id: CVE-2026-77165
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-284
vendor: Nextcloud
product: Server
affected:
  - Server >= 32.0.0 <= 34.0.0
published: '2026-09-21'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T20:00:03.713'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-77165'
references:
  - url: 'https://hackerone.com/reports/3770482'
    label: support@hackerone.com
  - url: 'https://hackerone.com/reports/3770482'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00415
epssPercentile: 0.35642
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-21T18:44:04.025208Z'
ingestedAt: '2026-09-21T16:11:47.450Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.