CVE-2026-20779

Gitea versions from 1.5.0 before 1.26.3 have a TOTP single-use enforcement defect that allows a valid TOTP code to be accepted more than once across web two-factor authentication flows and the Basic Auth X-Gitea-OTP path...

CVE-2026-20779 Gitea TOTP single-use enforcement defect allows OTP replay

Gitea versions from 1.5.0 before 1.26.3 have a TOTP single-use enforcement defect that allows a valid TOTP code to be accepted more than once across web two-factor authentication flows and the Basic Auth X-Gitea-OTP path...

CVE-2026-20779

Gitea prior to 1.26.3 (versions from 1.5.0 up to

CVE-2026-20779 Gitea TOTP single-use enforcement defect allows OTP replay

Gitea versions from 1.5.0 before 1.26.3 have a TOTP single-use enforcement defect that allows a valid TOTP code to be accepted more than once across web two-factor authentication flows and the Basic Auth X-Gitea-OTP path...

PT-2026-55587

Name of the Vulnerable Software and Affected Versions Gitea versions 1.5.0 through 1.26.2 Description A defect in the Time-based One-Time Password TOTP single-use enforcement allows a valid TOTP code to be accepted multiple times. This issue affects web two-factor authentication flows and the Bas...

CVE-2026-58036 Users API leaks whether privileged users have their user groups disabled for lack of 2FA

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php,...

CVE-2026-11883

The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request...

CVE-2026-11883 WebAuthn Provider for Two Factor < 2.5.6 - 2FA Bypass

The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request...

CVE-2026-11883

CVE-2026-11883 affects the WebAuthn Provider for Two Factor WordPress plugin (before 2.5.6). The vulnerability arises from incorrect validation of the second-factor authentication response, enabling an attacker who already knows a user’s password to bypass 2FA by submitting a malformed request. T...

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...

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...

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...