Nextcloud Tables app SQLi 0.7.00.7.6,0.8.00.8.9,0.9.00.9.7,1.0.01.0.3
CVE-2026-45545 Published on June 1, 2026
Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution
Nextcloud is an open source content collaboration platform. From versions 0.7.0 to before 0.7.7, 0.8.0 to before 0.8.10, 0.9.0 to before 0.9.8, and 1.0.0 to before 1.0.4, an authenticated attacker with access to the Tables app may be able to execute arbitrary up to 20 bytes long SQL queries, through a stored injection. With carefully crafted input it is possible to break out of the length limitation. The attacker could use this to extract information from the database, or modify data. This issue has been patched in versions 0.7.7, 0.8.10, 0.9.8, 1.0.4, and 2.0.0.
Vulnerability Analysis
CVE-2026-45545 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a SQL Injection Vulnerability?
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.
CVE-2026-45545 has been classified to as a SQL Injection vulnerability or weakness.
Affected Versions
nextcloud security-advisories:- Version >= 0.7.0, < 0.7.7 is affected.
- Version >= 0.8.0, < 0.8.10 is affected.
- Version >= 0.9.0, < 0.9.8 is affected.
- Version >= 1.0.0, < 1.0.4 is affected.