PT-2026-45473

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions 32.0.0 through 32.0.8 Nextcloud Server versions 33.0.0 through 33.0.2 Nextcloud Enterprise Server versions prior to 26.0.13.26 Nextcloud Enterprise Server versions prior to 27.1.11.25 Nextcloud Enterprise Server...

PT-2026-45475

Nextcloud is an open source content collaboration platform. From versions 17.0.0 to before 17.0.15, 18.0.0 to before 18.1.12, 19.0.0 to before 19.1.16, 20.0.0 to before 20.1.11, and 21.0.0 to before 21.0.4, a user with READ and CREATE permission, but no UPDATE permission for a team folder can...

PT-2026-45476

Nextcloud is an open source content collaboration platform. Prior to versions 21.1.10, 22.0.11, and 23.0.3, a low-privileged user can force other user's microphones to be muted in calls when no High-performance Backend is installed. This issue has been patched in versions 21.1.10, 22.0.11, and...

Nextcloud Server 授权问题漏洞

NextCloud Server is an open-source NextCloud server program. Versions of NextCloud Server from 32.0.0 to 32.0.9 and from 33.0.0 to 33.0.3 had authorization-related vulnerabilities. These vulnerabilities stemmed from authentication bypasses, allowing attackers who know the user’s password to...

Nextcloud Forms 安全漏洞

NextCloud Forms is an open-source, hosted questionnaire and form creation tool developed by NextCloud. There were security vulnerabilities in versions 4.3.0 to 5.2.7 of NextCloud Forms, which stemmed from unauthorized access to respondent files uploaded through affected forms, due to retained...

Nextcloud Temporary files lock 授权问题漏洞

NextCloud Temporary Files Lock is an open-source tool developed by NextCloud for locking temporary files, preventing others from editing them. In versions 32.0.0 to 32.0.2 and 33.0.0 to 33.0.1 of NextCloud Temporary Files Lock, there were authorization-related vulnerabilities. These vulnerabiliti...

Nextcloud user_oidc 输入验证错误漏洞

Nextcloud useroidc is an application developed by the German company Nextcloud. In versions 6.1.0 to 8.2.2, there was a vulnerability related to input validation errors. This vulnerability stemmed from improper redirection handling, which could allow attackers to create links that redirect users ...

PT-2026-45521

Name of the Vulnerable Software and Affected Versions Nextcloud Approval app versions prior to 2.7.2 Description A privilege escalation issue exists in the Approval app of the Nextcloud content collaboration platform. This flaw allows a user lacking sharing permissions to force the system to shar...

PT-2026-45523

Name of the Vulnerable Software and Affected Versions Nextcloud versions 6.1.0 through 8.2.1 Description An attacker can craft malicious links that redirect users to an external website when the victim attempts to log in using OpenID Connect OIDC, a protocol used for authentication. Recommendatio...

PT-2026-45526

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authenticated attacker can access attachments of link shares when knowing the share token, circumventing password protection or download...

PT-2026-45532

Name of the Vulnerable Software and Affected Versions Nextcloud Tables versions 0.8.0 through 1.0.3 Description In Nextcloud Tables, the view filter criteria is exposed to users who possess read-only permissions. Recommendations Update to version 1.0.4 or 2.0.0...

PT-2026-45534

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions 32.0.0 through 32.0.8 Nextcloud Server versions 33.0.0 through 33.0.2 Nextcloud Enterprise Server affected versions not specified Description An authentication bypass allows attackers who possess a user's password to...

CVE-2026-45278: URL Redirection to Untrusted Site

Nextcloud is an open source content collaboration platform. From version 6.1.0 to before version 8.2.2, an attacker can craft links that would redirect users to another website, when the victim uses the attackers link to log in via user OIDC. This issue has been patched in version 8.2.2...

Nextcloud Tables SQL注入漏洞

NextCloud Tables is an open-source table-based application developed by NextCloud. Versions of NextCloud Tables from 0.7.0 to 0.7.7, 0.8.0 to 0.8.10, 0.9.0 to 0.9.8, and 1.0.0 to 1.0.4 have SQL injection vulnerabilities. These vulnerabilities stem from stored injection attacks, allowing...

Nextcloud SQL注入漏洞

Nextcloud is an open-source, self-hosted communication platform for file synchronization and sharing developed by the German company Nextcloud. Versions of Nextcloud from 0.9.0 to 0.9.7, as well as versions from 1.0.0 to 1.0.2, had a SQL injection vulnerability. This vulnerability stemmed from...

CVE-2026-45810: Authorization Bypass Through User-Controlled Key

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. It is recommended th...

CVE-2026-45275: Improper Authorization

Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, a privilege escalation vulnerability exists in the Approval app that allows a user without sharing permissions to force the system to share a file with approvers. This results in an authorization bypass and...

CVE-2026-45264: Improper Access Control

Nextcloud is an open source content collaboration platform. From versions 17.0.0 to before 17.0.15, 18.0.0 to before 18.1.12, 19.0.0 to before 19.1.16, 20.0.0 to before 20.1.11, and 21.0.0 to before 21.0.4, a user with READ and CREATE permission, but no UPDATE permission for a team folder can...

CVE-2026-45159: Authorization Bypass Through User-Controlled Key

Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-e...

PT-2026-45524

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions 31.0.0 through 31.0.13 Nextcloud Server versions 32.0.0 through 32.0.3 Nextcloud Enterprise Server versions prior to 28.0.14.15 Nextcloud Enterprise Server versions prior to 29.0.17.12 Nextcloud Enterprise Server...