CVE-2026-21881

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

DEBIAN-CVE-2026-21881

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

CVE-2026-21881

CVE-2026-21881 affects Kanboard (versions 1.2.48 and earlier). The flaw is an authentication bypass triggered when REVERSE_PROXY_AUTH is enabled: the app blindly trusts HTTP headers for user authentication without verifying the header source from a trusted reverse proxy, allowing an attacker to i...

EUVD-2026-1668

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

CVE-2026-21881 Kanboard is Vulnerable to Reverse Proxy Authentication Bypass

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

CVE-2026-21881 Kanboard is Vulnerable to Reverse Proxy Authentication Bypass

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

CVE-2026-21881 Kanboard is Vulnerable to Reverse Proxy Authentication Bypass

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

CVE-2026-21881

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when REVERSEPROXYAUTH is enabled. The application blindly trusts HTTP headers for user authentication without verifying the request originated from a...

Linux Distros Unpatched Vulnerability : CVE-2026-21881

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable to a critical authentication bypass when...

PT-2026-2118

Name of the Vulnerable Software and Affected Versions Kanboard versions 1.2.48 and below Description Kanboard is project management software based on the Kanban methodology. When the REVERSE PROXY AUTH setting is enabled, the application does not properly verify the source of HTTP headers used fo...

Kanboard 安全漏洞

Kanboard is Kanboard open source set of open source visualization task board software . The software is able to customize the panel according to the business . A security vulnerability exists in Kanboard 1.2.48 and earlier versions that stems from an authentication bypass when REVERSEPROXYAUTH is...

CVE-2025-61939

An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication. An attacker on the local network with admin access to the web server, and the ability to manipulate DNS responses, can redirect the SSH connection to an attacker...

CVE-2025-61939

An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication. An attacker on the local network with admin access to the web server, and the ability to manipulate DNS responses, can redirect the SSH connection to an attacker...

CVE-2025-66620 Columbia Weather Systems MicroServer Command Shell in Externally Accessible Directory

An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and directories. An attacker with admin access to MicroServer can gain limited shell access, enabling persistence through reverse shells, and the ability to modify or remove data stored in the fil...

CVE-2025-61939

CVE-2025-61939 concerns Columbia Weather Systems MicroServer. An unused function can initiate a reverse SSH connection to a vendor-registered domain without mutual authentication. An attacker on a local network with admin access to the MicroServer web portal and the ability to manipulate DNS resp...

CVE-2025-61939 Columbia Weather Systems MicroServer Improper Restriction of Communication Channel to Intended Endpoints

An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication. An attacker on the local network with admin access to the web server, and the ability to manipulate DNS responses, can redirect the SSH connection to an attacker...

CVE-2025-61939 Columbia Weather Systems MicroServer Improper Restriction of Communication Channel to Intended Endpoints

An unused function in MicroServer can start a reverse SSH connection to a vendor registered domain, without mutual authentication. An attacker on the local network with admin access to the web server, and the ability to manipulate DNS responses, can redirect the SSH connection to an attacker...

CVE-2019-12490

An issue was discovered in Simple Machines Forum SMF before 2.0.16. Reverse tabnabbing can occur because of use of blank for external links...

PT-2026-1859

Name of the Vulnerable Software and Affected Versions MicroServer affected versions not specified Description An unused webshell in MicroServer allows unlimited login attempts, with sudo rights on certain files and directories. An attacker with admin access to MicroServer can gain limited shell...

Columbia Weather Systems MicroServer 安全漏洞

Columbia Weather Systems MicroServer is a weather data server from Columbia Weather Systems, USA. A security vulnerability exists in Columbia Weather Systems MicroServer that stems from an unused function that can initiate a reverse SSH connection, potentially resulting in the connection being...