Authorization bypass through user-controlled key in Tables - CVE-2025-66553
Published: December 5, 2025
Vulnerability identifier: #VU119225
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-66553
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
Tables
Tables
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to authorization bypass through user-controlled key. A remote user can modify the numeric ID in a request and view meta data of columns in other tables.
How to mitigate CVE-2025-66553
Install updates from vendor's website.