CVE-2026-12504

Improper Authentication CWE-287 in the PAM configuration in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a local attacker to authenticate as a uid=0 account without a password and obtain a root shell via an /etc/passwd entry with an emp...

EUVD-2026-48592

Improper Authentication CWE-287 in the PAM configuration in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on LINX-A64 allows a local attacker to authenticate as a uid=0 account without a password and obtain a root shell via an /etc/passwd entry with an emp...

CVE-2026-61096

Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL component: Server: Pluggable Auth. Supported versions that are affected are MySQL Server: 8.4.0-8.4.10, 9.7.0-9.7.1; MySQL Cluster: 8.0.0-8.0.47, 8.4.0-8.4.10 and 9.7.0-9.7.1. Difficult to exploit vulnerability allows...

OESA-2026-3019 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

CVE-2026-15637

Improper authorization in the PAM SSH key and certificate retrieval endpoints in Devolutions Server 2026.2.11, 2026.1.22 allows an authenticated low-privileged user to disclose the private key of an SSH key or certificate PAM credential via a direct object reference to the credential identifier...

[SECURITY] Fedora 44 Update: pam-1.7.2-2.fc44

PAM Pluggable Authentication Modules is a system security tool that allows system administrators to set authentication policy without having to recompile programs that handle authentication...

linux-pam: Plaintext password recovery via timing discrepancy in pam_userdb module

A flaw was found in Linux-PAM's pamuserdb module. This vulnerability, categorized as an Observable Timing Discrepancy CWE-208, allows a local or network-adjacent attacker to recover plaintext passwords. By repeatedly attempting authentication and measuring response-timing differences during...

CVE-2026-12610

A flaw was found in sssd. When authenticating with a YubiKey, the SSSD PAM responder can crash due to a use-after-free vulnerability, where a memory pointer is incorrectly handled. A local attacker could exploit this flaw by manipulating smartcard or YubiKey contents, leading to a denial of servi...

CVE-2026-11890

The CVE-2026-11890 entry concerns Devolutions Server versions 2026.1.21 and 2026.2.5, where improper access control in PAM account discovery allows an authenticated user to retrieve account discovery scan results. The connected documents confirm affected software and the root cause (in PAM accoun...

DEBIAN-CVE-2026-54411

Linux-PAM through 1.7.2 contains an observable timing discrepancy CWE-208 in the pamuserdb module's plaintext-password comparison path in modules/pamuserdb/pamuserdb.c that allows a local or network-adjacent attacker able to repeatedly drive authentication through a calling service to recover the...

CVE-2026-54411

Linux-PAM up to 1.7.2 is affected by a timing side-channel in the pam_userdb plaintext-password comparison path (modules/pam_userdb/pam_userdb.c). When configured with crypt=none, an unrecognized crypt method, or without a crypt= argument, credentials are stored/compared in plaintext. The compari...

EulerOS 2.0 SP11 : util-linux (EulerOS-SA-2026-2268)

According to the versions of the util-linux packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the...

EulerOS 2.0 SP11 : util-linux (EulerOS-SA-2026-2231)

According to the versions of the util-linux packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in util-linux. Improper hostname canonicalization in the login1 utility, when invoked with the -h option, can modify the...

CVE-2026-10544

Improper neutralization of special elements in the built-in PAM provider password rotation templates in Devolutions Server allows an authenticated user with write access to a vault to execute arbitrary commands on the systems managed by the affected PAM provider. This issue affects : Devolutions...

PT-2026-47429

Name of the Vulnerable Software and Affected Versions Devolutions Server version 2026.2.4.0 Devolutions Server versions prior to 2026.1.20.0 Description Improper neutralization of special elements in the built-in PAM Privileged Access Management provider password rotation templates allows an...

PT-2026-44088

pam usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, when a PAM service is configured with deny remote=false in pam usb commonly done for display managers such as gdm-password or lightdm to bypass process/TTY heuristics for local sessions, the PAM RHO...

PT-2026-44111

Name of the Vulnerable Software and Affected Versions pam usb versions prior to 0.8.7 Description pam usb provides hardware authentication for Linux using ordinary removable media. Symlink attacks on the pad directory and pad files allow for authentication bypass and corruption of root files...

PT-2026-44089

pam usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/conf.c allocates heap memory proportional to n devices, a count derived from libxml2 XPath evaluation of the config file, without first enforcing an upper bound. On 32-bit targets armv7l, i686 -...

CVE-2026-8407

CVE-2026-8407 affects Devolutions Server where the PAM module’s authorization is missing. An authenticated user with a PAM license but no additional permissions can craft requests to PAM API endpoints to retrieve OTP secret keys and recovery codes. Impacted versions include Devolutions Server 202...

New Linux PamDOORa Backdoor Uses PAM Modules to Steal SSH Credentials

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that's being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called "darkworm." The backdoor is designed as a Pluggable Authentication Module PAM-based post-exploitation toolkit...