CVE-2023-39952 Advanced permissions not respected when copying entire group folders

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced...

CVE-2023-39952 Advanced permissions not respected when copying entire group folders

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced...

CVE-2023-39952

CVE-2023-39952 affects Nextcloud Server: a user could access files inside a subfolder of a groupfolder despite advanced permissions. Affected are Nextcloud Server versions starting at 22.0.0 up to but not including the patches listed for 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0....

CVE-2023-39952

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced...

Missing password confirmation when creating app passwords

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Existance of calendars and addressbooks can be checked by unauthenticated users

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Users can delete external storage mount points

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Text does not respect "Allow download" permissions

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Missing brute force protection on OAuth2 API controller

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Path traversal allows tricking the Talk Android app into writing files into it's root directory

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Notes attachment render HTML in preview mode

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user_oidc app stores client secret unencrypted in database

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Issuer not verified from obtained token in user_oidc

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Advanced permissions not respected when copying entire group folders

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Nextcloud Security Breach

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud Server. An attacker could use this vulnerability to brute-force break the client secrets of a configured OAuth...

Nextcloud Access Control Error Vulnerability

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An access control error vulnerability exists in Nextcloud Server. An attacker could exploit the vulnerability to access files within subfolders of a group...

Nextcloud user_oidc security vulnerability

Nextcloud useroidc is an application from Nextcloud, Germany. A security vulnerability exists in Nextcloud useroidc version 1.0.0 through versions prior to 1.3.3. An attacker can exploit this vulnerability to impersonate the Nextcloud server against a linked server...

CVE-2023-39961: Improper Access Control

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 24.0.4 and prior to versions 25.0.9, 26.0.4, and 27.0.1, when a folder with images or an image was shared without download permissions, the user could add the image inline into a text file and...

CVE-2023-39952: Improper Access Control

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced...

CVE-2023-39959: Improper Access Control

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for...