CVE-2026-45282: Improper Access Control

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...

Nextcloud Teams 安全漏洞

NextCloud Teams is an open-source team collaboration and group management tool developed by NextCloud. There were security vulnerabilities in versions of NextCloud Teams between 32.0.0 and 32.0.9, as well as between 33.0.0 and 33.0.3. These vulnerabilities stemmed from the system automatically...

Nextcloud Forms 安全漏洞

NextCloud Forms is an open-source, hosted questionnaire and form creation tool developed by NextCloud. Versions of NextCloud Forms prior to 5.2.6 contained a security vulnerability due to a lack of permission checks. This vulnerability could allow users to request access to other users’ form...

CVE-2026-45157: Improper Access Control

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, when a malicious user has access to a file share of a user, they could use this share token to also access the chunking upload directly and see...

Nextcloud Files approval 信息泄露漏洞

NextCloud Files Approval is an open-source file approval software developed by NextCloud. Versions of NextCloud Files Approval prior to version 2.7.2 had a vulnerability related to information leakage. This vulnerability stemmed from a lack of permission checks, allowing authenticated users to...

PT-2026-45530

Name of the Vulnerable Software and Affected Versions Nextcloud versions 5.5.13 through 5.5.16 Nextcloud versions 6.2.0 through 6.2.2 Description An authenticated user can enumerate other users on the same instance. This is possible because sharing restrictions were not effectively applied to the...

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...

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...

PT-2026-45538

Name of the Vulnerable Software and Affected Versions Nextcloud Server versions 31.0.0 through 31.0.11 Nextcloud Server versions 32.0.0 through 32.0.2 Nextcloud Enterprise Server versions prior to 21.0.9.20 Nextcloud Enterprise Server versions prior to 22.2.10.35 Nextcloud Enterprise Server...

Nextcloud Collectives 访问控制错误漏洞

NextCloud Collectives is an open-source collaboration and knowledge management tool developed by NextCloud. In versions 2.6.0 to 4.3.0 of NextCloud Collectives, there was a security vulnerability related to access control. This vulnerability stemmed from a lack of permission checks, which could...

CVE-2026-45285: Missing Authorization

Nextcloud is an open source content collaboration platform. From versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, when a user shares a folder or file with a Nextcloud Team that includes an external member a person added via email address who does not have a Nextcloud account, the...

CVE-2026-45544: Exposure of Sensitive Information Through Metadata

Nextcloud is an open source content collaboration platform. From version 0.8.0 to before version 1.0.4, the view filter criteria is exposed to users with read-only permissions in Nextcloud Tables. This issue has been patched in versions 1.0.4 and 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-2026-45153: Improper Authentication

Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0...

CVE-2026-45284: Improper Access Control

Nextcloud is an open source content collaboration platform. From version 1.3.6 to before version 8.4.0, an improper check allowed users that where provided by LDAP to still authenticate towards user OIDC after they where deleted. This issue has been patched in version 8.4.0...

PT-2026-45469

Name of the Vulnerable Software and Affected Versions Nextcloud versions 33.0.0 through 33.0.x Description An issue exists in the Nextcloud Files app for Android where the PIN can be bypassed. After unlocking a locked Android phone, the back-button can be used to circumvent the PIN requirement...

Nextcloud Android app 授权问题漏洞

The Nextcloud Android app is a mobile application developed by the German company Nextcloud, designed for accessing Nextcloud servers on the Android platform. In versions 33.0.0 to 33.1.0 of the Nextcloud Android app, there was an authorization vulnerability. This vulnerability occurred when...

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...

PT-2026-45525

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 33.0.3 Nextcloud Enterprise Server versions prior to 32.0.9 Nextcloud Enterprise Server versions prio...

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...