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CVE-2025-66551

Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.9.3, 0.8.6
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • nextcloud security-advisories

    From 0.9.0-beta.1 · fixed in 0.9.3; fixed in 0.8.6

References 4

GitHub · nextcloud/security-advisories

GitHub · nextcloud/tables

hackerone.com