Nextcloud Server — Vulnerabilities & Security Advisories 57

This page catalogs known vulnerability weaknesses associated with Nextcloud Server, a widely used self-hosted file sharing and collaboration platform. It aggregates data on security flaws identified within the product, providing a centralized resource for tracking issues affecting its core infrastructure and extensions. The content here compiles records of reported security incidents ranging from critical remote code execution risks to minor information disclosure errors and authentication bypasses. The dataset covers vulnerabilities identified and disclosed over the past several years, ensuring a comprehensive historical perspective on the product's security posture as it has evolved through multiple major releases and patches. Visitors can utilize this page to track a vendor's advisory timeline, understanding how quickly Nextcloud responds to reported flaws and releases fixes. Users can also study specific weakness classes, such as SQL injection or cross-site scripting, to see how they manifest within Nextcloud’s specific architecture and PHP-based backend. Additionally, individuals can look up a product's vulnerability history to assess the overall security maturity of their deployment, comparing current risks against past incidents to inform their maintenance and upgrade strategies. This resource serves as a factual reference for administrators, security researchers, and auditors seeking to understand the specific threat landscape surrounding Nextcloud Server deployments without relying on fragmented sources.