PT-2026-54039

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.8.0 Description An authentication bypass exists that allows authenticated Single Sign-On SSO users to disable SSO enforcement via the API. This allows attackers to create local password credentials to authenticate...

PYSEC-2026-533 Sentry: Improper authentication on SAML SSO process allows user identity linking

Impact A critical vulnerability was discovered in the SAML SSO implementation of Sentry. It was reported to us via our private bug bounty program. The vulnerability allows an attacker to take over any user account by using a malicious SAML Identity Provider and another organization on the same...

PYSEC-2026-266 ajenti.plugin.core has password bypass when 2FA is activated

Impact If the 2FA was activated, it was possible to bypass the password authentication Patches This is fixed in the version 0.112. Users should upgrade to this version as soon as possible...

Ukraine Says Russian Intelligence Used Fake Support Texts to Steal Messaging Credentials

The Security Service of Ukraine SSU said it, together with the U.S. Federal Bureau of Investigation FBI, uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military personnel, politicians, and activists in...

CVE-2026-46386

OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRETKEYBASE=OVERWRITEME as the default Rails master key. Combined with cookiesserializer = :marshal, this gives any logged-in user a deterministic...

CVE-2026-46386

OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRETKEYBASE=OVERWRITEME as the default Rails master key. Combined with cookiesserializer = :marshal, this gives any logged-in user a deterministic...

CVE-2026-53232

A flaw was found in the Linux kernel's network PHY Physical Layer driver. When a PHY probing operation fails, the system does not properly clean up the SFP Small Form-Factor Pluggable upstream connection. This oversight leaves a dangling reference in the SFP bus, which could be accessed later...

EUVD-2026-38392

Filament: Multi-factor authentication app recovery codes can still be used multiple times via concurrent submission...

GHSA-MC5J-F6WX-H9QH Filament: Multi-factor authentication (app) recovery codes can still be used multiple times via concurrent submission

A flaw in the handling of recovery codes for app-based multi-factor authentication allows the same recovery code to be reused via concurrent submission. This issue does not affect email-based MFA. It also only applies when recovery codes are enabled. If an attacker gains access to both the user's...

GO-2026-5258 Vikunja has TOTP Two-Factor Authentication Bypass via OIDC Login Path in code.vikunja.io/api

Vikunja has TOTP Two-Factor Authentication Bypass via OIDC Login Path in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

CVE-2026-54040

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54036

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-54040 LibreChat: 2FA Backup Code Regeneration Without OTP Verification Allows 2FA Bypass

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54040

Summary of CVE-2026-54040 (LibreChat): Before version 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring a valid TOTP token or existing backup code verification. An attacker with a stolen session token can silently replace a victim’s 2F...

EUVD-2026-39456

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54040 LibreChat: 2FA Backup Code Regeneration Without OTP Verification Allows 2FA Bypass

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54040

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54036

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

EUVD-2026-39454

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-54036 LibreChat: 2FA Re-enrollment Allows Full Account 2FA Takeover Without OTP Verification

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...