Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS due to the lack of rate limiting in the login process. An attacker can exhaust server resources by sending a large number of parallel login requests via a single HTTP/2 packet, potentially causing the server to cra...

EUVD-2026-15423

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Login Disable allows Functionality Bypass.This issue affects Login Disable: from 0.0.0 before 2.1.3...

CVE-2026-26233

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service server crash and restart via HTTP/2 single packet attack with 100+ parallel login requests...

CVE-2026-26233 Denial of Service via HTTP/2 single packet attack on login endpoint

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service server crash and restart via HTTP/2 single packet attack with 100+ parallel login requests...

CVE-2026-26233

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service server crash and restart via HTTP/2 single packet attack with 100+ parallel login requests...

CVE-2026-26233 Denial of Service via HTTP/2 single packet attack on login endpoint

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service server crash and restart via HTTP/2 single packet attack with 100+ parallel login requests...

CVE-2026-26233 Denial of Service via HTTP/2 single packet attack on login endpoint

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to rate limit login requests which allows unauthenticated remote attackers to cause denial of service server crash and restart via HTTP/2 single packet attack with 100+ parallel login requests...

CVE-2026-26233

CVE-2026-26233 affects Mattermost releases 10.11.x to 11.4.x, where login requests are not rate-limited, enabling unauthenticated remote attackers to cause denial of service via an HTTP/2 single-packet attack with 100+ parallel login requests. No patch/version details are provided in the document...

CVE-2026-1917

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Login Disable allows Functionality Bypass.This issue affects Login Disable: from 0.0.0 before 2.1.3...

CVE-2026-1917 Login Disable - Less critical - Access bypass - SA-CONTRIB-2026-008

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Login Disable allows Functionality Bypass.This issue affects Login Disable: from 0.0.0 before 2.1.3...

CVE-2026-1917 Login Disable - Less critical - Access bypass - SA-CONTRIB-2026-008

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Login Disable allows Functionality Bypass.This issue affects Login Disable: from 0.0.0 before 2.1.3...

CVE-2026-1917 Login Disable - Less critical - Access bypass - SA-CONTRIB-2026-008

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Login Disable allows Functionality Bypass.This issue affects Login Disable: from 0.0.0 before 2.1.3...

CVE-2026-1917

The Login Disable module for the Drupal content management system is vulnerable to an authentication bypass in versions prior to 2.1.3 . The root cause is that the module fails to verify the required access key when utilizing the HTTP request login route , even though it requires the key for stan...

Security update for grafana

This update for grafana fixes the following issues: Security issues fixed: CVE-2026-21722: Public dashboards annotations: use dashboard timerange if time selection disabled bsc1258136 CVE-2026-21721: Fixed access control by the dashboard permissions API bsc1257337 CVE-2026-21720: Fixed...

CVE-2026-32326

SHARP routers do not perform authentication for some web APIs. The device information may be retrieved without authentication. If the administrative password of the device is left as the initial one, the device may be taken over...

SUSE CVE-2026-28789

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.10.3, an unauthenticated denial-of-service vulnerability exists in OliveTin's OAuth2 login flow. Concurrent requests to /oauth/login can trigger unsynchronized access to a shared registeredStates map,...

SUSE CVE-2026-29192

ZITADEL is an open source identity management platform. From version 4.0.0 to 4.11.1, a vulnerability in Zitadel's login V2 interface was discovered that allowed a possible account takeover via Default URI Redirect. This issue has been patched in version 4.12.0...

SUSE CVE-2026-29193

ZITADEL is an open source identity management platform. From version 4.0.0 to 4.12.0, a vulnerability in Zitadel's login V2 UI allowed users to bypass login behavior and security policies and self-register new accounts or sign in using password even if corresponding options were disabled in their...

Drupal Login Disable security vulnerability

Drupal Login Disable is an extension module for the Drupal content management system designed to restrict or disable user login functionality. Versions of Drupal Login Disable prior to 2.1.3 contained a security vulnerability; this vulnerability stemmed from using alternative paths or channels to...

Mattermost security vulnerabilities

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in versions of Mattermost 11.4.0 and earlier 11.4.x series, as well as versions prior to 11.3.1 11.3.x series, 11.2.3 and earlier 11.2.x series, and 10.11.11 and earlier 10.11.x...