Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout

Summary In Nginx UI versions 2.2.0 through 2.5.x, the official bundled reverse-proxy topology did not preserve the external client identity used by Gin. The backend treated the local proxy peer as the client because no trusted proxy was configured, while the proxy supplied the actual address in...

CVE-2026-107804 Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout

Nginx UI is a web user interface for the Nginx web server. From 2.2.0 until 2.6.0, the bundled reverse proxy does not preserve the external client identity used by Gin because the backend has no trusted proxy configuration. Management requests can be attributed to loopback and pass the IP allowli...

CVE-2026-107804 Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout

Nginx UI is a web user interface for the Nginx web server. From 2.2.0 until 2.6.0, the bundled reverse proxy does not preserve the external client identity used by Gin because the backend has no trusted proxy configuration. Management requests can be attributed to loopback and pass the IP allowli...

CVE-2026-107804

The Nginx UI web user interface for the Nginx web server is vulnerable in versions 2.2.0 through 2.6.0 due to a missing trusted proxy configuration in its bundled reverse proxy. This flaw causes the backend to fail to preserve external client identities, attributing management requests to the loo...

CVE-2026-107804 Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout

Nginx UI is a web user interface for the Nginx web server. From 2.2.0 until 2.6.0, the bundled reverse proxy does not preserve the external client identity used by Gin because the backend has no trusted proxy configuration. Management requests can be attributed to loopback and pass the IP allowli...

CVE-2019-17240

CVE-2019-17240 Exploit Versions prior to and including 3.9.2 of the Bludit CMS are vulnerable to a bypass of the anti-brute force mechanism that is in place to block users that have attempted to incorrectly login 10 times or more. The vulnerability was discovered by Rastating. Submitting a login...

CVE-2026-1199

A flaw was found in Zabbix. The API and Frontend login lockout mechanism does not properly count several unsuccessful login requests if they are sent simultaneously. This oversight allows a remote attacker to bypass the intended lockout counter, potentially enabling more password guesses than...

USN-8688-1 pam vulnerability

Juthawong Naisanguansee discovered that PAM incorrectly cleared failed login attempt records when certain services invoked the account phase without first performing authentication. An attacker could possibly use this issue to reset failed login counters, resulting in authentication lockout...

BIT-KEYCLOAK-2024-4629 Keycloak: potential bypass of brute force protection

A vulnerability was found in Keycloak. This flaw allows attackers to bypass brute force protection by exploiting the timing of login attempts. By initiating multiple login requests simultaneously, attackers can exceed the configured limits for failed attempts before the system locks them out. Thi...

EUVD-2026-65208

Grav Login plugin versions before 1.0.16 fail to validate the target account's privilege level in the onApiUserListRowAction unlock handler. An attacker with api.users.write permission can clear login lockout counters on admin.super accounts, removing brute-force protection from the...

CVE-2026-56710

Grav Login plugin versions prior to 1.0.16 contain a privilege validation flaw in the onApiUserListRowAction unlock handler . An attacker possessing the api.users.write permission can clear login lockout counters on admin.super accounts without holding equivalent privileges, effectively removing ...

PT-2026-81137

Grav Login plugin versions before 1.0.16 fail to validate the target account's privilege level in the onApiUserListRowAction unlock handler. An attacker with api.users.write permission can clear login lockout counters on admin.super accounts, removing brute-force protection from the...

Linux Distros Unpatched Vulnerability : CVE-2026-1199

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent...

SUSE CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

DEBIAN-CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

UBUNTU-CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

EUVD-2026-60733

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...