cups: Authentication Bypass in CUPS Authorization Handling

A flaw was found in CUPS, a widely used printing service on Linux and UNIX-like systems. The issue arises when authentication is configured to use a method other than Basic, but the attacker sends an HTTP request with a Basic authentication header. Due to improper validation in the cupsdAuthorize...

Mattermost doesn't validate CSRF tokens on an authentication endpoint

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

EUVD-2026-22875

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

GHSA-M7CF-4GH2-V4QG Mattermost doesn't validate CSRF tokens on an authentication endpoint

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

OESA-2026-1983 avahi security update

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared...

OESA-2026-1985 avahi security update

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared...

OESA-2026-1912 systemd security update

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. Security Fixes: A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation of the class parameter in the RegisterMachine...

OESA-2026-1913 systemd security update

systemd is a system and service manager that runs as PID 1 and starts the rest of the system. Security Fixes: A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation of the class parameter in the RegisterMachine...

CVE-2026-27890: Improper Restriction of Operations within the Bounds of a Memory Buffer

Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, when processing CNCTspecificdata segments during authentication, the server assumes segments arrive in strictly ascending order. If segments arrive out of order, the Array class's grow...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization due to improper access control in the unaccess process. An attacker can cause disruption of all public shares routed through a global frontend by sending a DELETE request to the affected API endpoint with knowled...

Incorrect Authorization

Overview silverstripe/assets is an asset module required component of SilverStripe Framework. Affected versions of this package are vulnerable to Incorrect Authorization via the DBFile::getURL process. An attacker can gain unauthorized access to protected files by exploiting the way access grants...

TRACE

No d...

nginx 0.5.13 < 1.28.3 / 1.29.x < 1.29.7 Buffer Overflow in ngx_http_dav_module

The installed version of nginx is 0.5.13 prior to 1.28.3, or 1.29.x prior to 1.29.7. It is, therefore, affected by the following issue: - NGINX Open Source and NGINX Plus have a vulnerability in the ngxhttpdavmodule module that might allow an attacker to trigger a buffer overflow to the NGINX...

CVE-2026-28741

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

CVE-2026-28741 CSRF Protection Bypass Allows Updating a User's Authentication Method

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

CVE-2026-28741

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

CVE-2026-28741 CSRF Protection Bypass Allows Updating a User's Authentication Method

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

CVE-2026-28741

Mattermost CVE-2026-28741 concerns CSRF token validation bypass on an authentication endpoint, enabling an attacker to update a user’s authentication method via a CSRF attack when a user visits a malicious page. Affected versions are Mattermost 10.11.x ≤ 10.11.12, 11.5.x ≤ 11.5.0, 11.4.x ≤ 11.4.2...

CVE-2026-28741 CSRF Protection Bypass Allows Updating a User's Authentication Method

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...

CVE-2026-28741: Cross-Site Request Forgery (CSRF)

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to validate CSRF tokens on an authentication endpoint which allows an attacker to update a user's authentication method via a CSRF attack by tricking a user into visiting a malicious page. Mattermost...