PT-2026-54508

Name of the Vulnerable Software and Affected Versions SMS Alert – SMS & OTP for WooCommerce, Order Notifications & Abandoned Cart Recovery versions prior to 3.9.6 Description An issue exists that allows unauthenticated attackers to perform privilege escalation via account takeover. The plugin fai...

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-2026-54036

CVE-2026-54036 (LibreChat) describes a vulnerability where the GET /api/auth/2fa/enable endpoint can be invoked by an authenticated user (or attacker with a stolen session) even when 2FA is fully enabled. The call overwrites the existing TOTP secret, regenerates backup codes, and sets twoFactorEn...

CVE-2026-56338

Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors...

CVE-2026-56338 Capgo - Denial of Service in 2FA Email Verification via /auth/v1/otp Endpoint

Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors...

PT-2026-51780

Capgo before 12.128.2 contains a denial of service vulnerability in the /auth/v1/otp endpoint that prevents email verification for two-factor authentication due to captcha validation failures. Authenticated users cannot complete 2FA enrollment as the backend consistently returns HTTP 500 errors...

CVE-2026-56450

AIL did not restrict repeated failed attempts to verify a two-factor authentication OTP code. An attacker who had reached the 2FA verification step, such as after successfully completing the password-authentication stage, could submit an unlimited number of OTP guesses. This could enable...

CVE-2026-56450 AIL Framework - Missing Rate Limiting Enables Brute-Force Attacks Against Two-Factor Authentication Codes

AIL did not restrict repeated failed attempts to verify a two-factor authentication OTP code. An attacker who had reached the 2FA verification step, such as after successfully completing the password-authentication stage, could submit an unlimited number of OTP guesses. This could enable...

CVE-2026-56450

CVE-2026-56450 relates to the AIL Framework where the OTP (2FA) verification lacked rate-limiting, allowing unlimited OTP attempts after reaching the 2FA step. Root cause: no per-user throttling on failed OTPs. Impact: potential brute-force of OTPs enabling unauthorized access. The patch adds per...

CVE-2026-56450 AIL Framework - Missing Rate Limiting Enables Brute-Force Attacks Against Two-Factor Authentication Codes

AIL did not restrict repeated failed attempts to verify a two-factor authentication OTP code. An attacker who had reached the 2FA verification step, such as after successfully completing the password-authentication stage, could submit an unlimited number of OTP guesses. This could enable...

PT-2026-51313

AIL did not restrict repeated failed attempts to verify a two-factor authentication OTP code. An attacker who had reached the 2FA verification step, such as after successfully completing the password-authentication stage, could submit an unlimited number of OTP guesses. This could enable...

EUVD-2026-38092

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

CVE-2026-56073

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

CVE-2026-56073

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

CVE-2026-56073 Cap-go - OTP Bypass via Response Manipulation in Email Verification

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

CVE-2026-56073 Cap-go - OTP Bypass via Response Manipulation in Email Verification

Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful,...

PT-2026-51036

Name of the Vulnerable Software and Affected Versions Cap-go versions prior to 12.128.2 Description An authentication bypass exists in the OTP One-Time Password verification process. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely indicate that...

spomky-labs/otphp: Mass-assignment in Factory::loadFromProvisioningUri lets a hostile provisioning URI corrupt OTP state or leak an uncaught TypeError

Summary OTPHP\Factory::loadFromProvisioningUri parses an attacker-supplied otpauth:// URI and forwards every query key to OTP::setParameter$key, $value. setParameter resolves the name with propertyexists$this, $parameter and performs a dynamic write $this-$parameter = $value src/OTP.php:196-197...

spomky-labs/otphp: Unbounded digits parameter in a provisioning URI triggers an uncaught DivisionByZeroError in OTP generation

Summary The digits parameter parsed from a provisioning URI is validated only with a lower bound $value 0 and has no upper bound src/OTP.php:353-357. OTP generation computes $code % 10 $this-getDigits src/OTP.php:283. When digits is large enough that 10 digits overflows PHP's integer range and th...