CVE-2026-19603

Mattermost versions 11.9.x = 11.9.1, 11.8.x = 11.8.5, 11.7.x = 11.7.10, 11.10.x = 11.10.1 fail to sanitize the active channel field returned by the user status API endpoints, which allows an authenticated user to learn the channel ID of a private channel another user is actively viewing via the...

EUVD-2026-102742

Mattermost versions 11.9.x = 11.9.1, 11.8.x = 11.8.5, 11.7.x = 11.7.10, 11.10.x = 11.10.1 fail to sanitize the active channel field returned by the user status API endpoints, which allows an authenticated user to learn the channel ID of a private channel another user is actively viewing via the...

CVE-2026-19603

Mattermost versions 11.9.x <= 11.9.1 , 11.8.x <= 11.8.5 , 11.7.x <= 11.7.10 , and 11.10.x

SUSE CVE-2021-41239

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

PT-2022-37627

This update for nextcloud fixes the following issues: nextcloud was updated to 21.0.9: - CVE-2021-41239 CWE-200: user enumeration setting not obeyed in User Status API boo1196905 - CVE-2021-41241 CWE-863: groupfolders advanced permissions is not obeyed for subfolders boo1196908 - CVE-2021-41741...

CVE-2021-41239

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

CVE-2021-41239

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

Code injection

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

CVE-2021-41239

CVE-2021-41239 affects Nextcloud Server. The issue arises when the User Status API does not respect the administrator’s user enumeration settings, allowing a user to enumerate other users on the instance even if listings are disabled. The vulnerability is described in multiple connected sources a...

CVE-2021-41239 User enumeration setting not respected in Nextcloud server

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

CVE-2021-41239

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

User enumeration setting not obeyed in User Status API

None...

CVE-2021-41239: Exposure of Sensitive Information to an Unauthorized Actor

Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It...

PT-2022-11377 · Nextcloud +1 · Nextcloud Server +1

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 20.0.14 Nextcloud Server versions prior to 21.0.6 Nextcloud Server versions prior to 22.2.1 Description: The Nextcloud server is a self-hosted system designed to provide cloud-style services. In affected...