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CVE-2026-54003 Critical · 9.1 CWE-454 Jul 9, 2026

Kirby: External Initialization of the Panel on reverse proxy setups with the `Forwarded` header

Kirby is an open-source content management system. Prior to 4.9.4 and from 5.4.4, Kirby sites with no configured user accounts that run on publicly accessible servers behind a reverse proxy setting the Forwarded, X-Client-IP, or X-Real-IP request header could allow remote attackers to install the Panel and create the first admin user because local-IP checks trusted those headers incorrectly. This issue is fixed in versions 4.9.4 and 5.4.4.

CVE-2026-48980 Medium · 6.3 CWE-454 Jun 18, 2026

pam_usb: getenv() used in PAM context allows environment variable injection into local-check logic

pam_usb provides hardware authentication for Linux using removable media. In versions prior to 0.9.2, getenv() environment variables XRDP_SESSION, DISPLAY and TMUX allow environment variable injection into local-check logic. These environment variables influence whether a current session is local or remote, and a PAM module that runs in the context of setuid binaries (sudo, su), getenv() returns attacker-controlled values whenever the process environment has been manipulated by a local user. This issue has been fixed in version 0.9.2.

CVE-2026-26148 High · 8.1 CWE-454 Mar 10, 2026

Microsoft Azure AD SSH Login extension for Linux Elevation of Privilege Vulnerability

External initialization of trusted variables or data stores in Azure Entra ID allows an unauthorized attacker to elevate privileges locally.