Events information leaked with shared calendars on recurrence exceptions

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ID4me does not validate signature or expiration

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Code injection in Nextcloud Desktop Client for macOS

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Users can delete old versions of read-only shared files

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Can access comments and attachments of deleted cards

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Notes app can be tricked into using a received share created before the user logged in

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Read-only users can restore old versions

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Missing permission check when removing a photo from an album

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Ability to by-pass second factor

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ID4me feature of OpenID connect app available even when disabled

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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. Nextcloud suffers from a security vulnerability that stems from the possibility that an attacker could trick the application into accepting requests that a...

PT-2024-27811 · Nextcloud · Nextcloud User Oidc

Name of the Vulnerable Software and Affected Versions: Nextcloud user oidc app versions prior to 1.3.5 Nextcloud user oidc app versions prior to 2.0.0 Nextcloud user oidc app versions prior to 3.0.0 Nextcloud user oidc app versions prior to 4.0.0 Nextcloud user oidc app versions prior to 5.0.0...

CVE-2024-37316: Improper Handling of Unexpected Data Type

Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2...

CVE-2024-37887: Improper Access Control

Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Server is upgraded to 27.1.10 or 28.0.6 o...

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 Deck versions prior to 1.6.6, prior to 1.7.5, prior to 1.8.7, prior to 1.9.6, prior to 1.11.3, and prior to...

CVE-2024-37312: Improper Access Control

useroidc app is an OpenID Connect user backend for Nextcloud. Missing access control on the ID4me endpoint allows an attacker to register an account eventually getting access to data that is available to all registered users. It is recommended that the OpenID Connect user backend is upgraded to...

CVE-2024-37886: Improper Verification of Cryptographic Signature

useroidc app is an OpenID Connect user backend for Nextcloud. An attacker could potentially trick the app into accepting a request that is not signed by the correct server. It is recommended that the Nextcloud useroidc app is upgraded to 1.3.5, 2.0.0, 3.0.0, 4.0.0 or 5.0.0...

CVE-2024-37313: Improper Authentication

Nextcloud server is a self hosted personal cloud system. Under some circumstance it was possible to bypass the second factor of 2FA after successfully providing the user credentials. It is recommended that the Nextcloud Server is upgraded to 26.0.13, 27.1.8 or 28.0.4 and Nextcloud Enterprise Serv...

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 that stems from a second factor of 2FA that can be bypassed in some cases by successfully providing use...

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 that originates from an attacker with read-only access to a file being able to restore an older version...