CVE-2026-107276 MISP Email OTP Race Condition Allows One-Time Password to Be Consumed by Multiple Concurrent Requests

MISP contains a race condition in the email-based one-time password OTP login flow. When two HTTP requests carrying the same valid OTP are submitted concurrently, both can successfully authenticate and establish a session. The root cause is that the OTP value is read from the shared store,...

CVE-2026-107276

The MISP platform contains a race condition (CWE-362, CWE-367) within its email-based one-time password (OTP) login flow. The vulnerability exists because the system performs non-atomic operations to read, validate, and delete OTP values from the shared store. This allows two concurrent HTTP requ...

EUVD-2026-94395

MISP contains a race condition in the email-based one-time password OTP login flow. When two HTTP requests carrying the same valid OTP are submitted concurrently, both can successfully authenticate and establish a session. The root cause is that the OTP value is read from the shared store,...

CVE-2026-107276 MISP Email OTP Race Condition Allows One-Time Password to Be Consumed by Multiple Concurrent Requests

MISP contains a race condition in the email-based one-time password OTP login flow. When two HTTP requests carrying the same valid OTP are submitted concurrently, both can successfully authenticate and establish a session. The root cause is that the OTP value is read from the shared store,...

PT-2026-107567

MISP contains a race condition in the email-based one-time password OTP login flow. When two HTTP requests carrying the same valid OTP are submitted concurrently, both can successfully authenticate and establish a session. The root cause is that the OTP value is read from the shared store,...

CVE-2026-94379 MISP: HTTP Method Bypass of Login Security Controls (Bruteforce Protection and Email OTP)

The login function in MISP's UsersController.php contained insufficient HTTP method validation for several security-critical code paths. The original code used an allowlist approach, checking only for specific HTTP methods POST and PUT before enforcing bruteforce protection, email one-time-passwo...

CVE-2026-94379

CVE-2026-94379 affects MISP (versions

CVE-2026-94379 MISP: HTTP Method Bypass of Login Security Controls (Bruteforce Protection and Email OTP)

The login function in MISP's UsersController.php contained insufficient HTTP method validation for several security-critical code paths. The original code used an allowlist approach, checking only for specific HTTP methods POST and PUT before enforcing bruteforce protection, email one-time-passwo...

CVE-2026-85237

A vulnerability in MISP's email-based one-time password OTP authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The emailotp endpoint did not apply brute-force protection when validating submitted OTP values. An attacker who had reached the OTP...

EUVD-2026-70528

A vulnerability in MISP's email-based one-time password OTP authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The emailotp endpoint did not apply brute-force protection when validating submitted OTP values. An attacker who had reached the OTP...

CVE-2026-85237 Missing Rate Limiting in Email OTP Verification Allows Brute-Force Authentication Bypass

A vulnerability in MISP's email-based one-time password OTP authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The emailotp endpoint did not apply brute-force protection when validating submitted OTP values. An attacker who had reached the OTP...

CVE-2026-85237 Missing Rate Limiting in Email OTP Verification Allows Brute-Force Authentication Bypass

A vulnerability in MISP's email-based one-time password OTP authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The emailotp endpoint did not apply brute-force protection when validating submitted OTP values. An attacker who had reached the OTP...

CVE-2026-85237 Missing Rate Limiting in Email OTP Verification Allows Brute-Force Authentication Bypass

A vulnerability in MISP's email-based one-time password OTP authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The emailotp endpoint did not apply brute-force protection when validating submitted OTP values. An attacker who had reached the OTP...

PT-2026-85081

A vulnerability in MISP's email-based one-time password OTP authentication flow allowed an attacker to perform an unrestricted number of OTP verification attempts. The email otp endpoint did not apply brute-force protection when validating submitted OTP values. An attacker who had reached the OTP...

CVE-2026-18961: Improper Authentication

The Social Login, Passkeys, Magic Link & Email OTP – Passwordless Login by VentraConnect plugin for WordPress is vulnerable to Authentication Bypass via Unverified Provider Email in all versions up to, and including, 1.4.3. This is due to the plugin trusting the unverified email field returned by...

PT-2026-68444

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The system fails to properly validate authentication requests when using Email OTP, SMS OTP, or Magic Link as first-factor authenticators, which prevents the...

CVE-2025-13909: Exposure of Sensitive Information to an Unauthorized Actor

The system accepts authentication requests without sufficient validation to enforce tenant isolation when using Email OTP, SMS OTP, or Magic Link as first-factor authenticators. This failure to adequately separate user data between tenants can lead to the exposure of personally identifiable...

CVE-2026-67327

better-auth versions = 1.1.3 and = 1.7.0-beta.0 and 1.7.0-beta.10 are vulnerable to account takeover via pre-account hijacking on magic-link and email-OTP sign-in when open email/password registration is enabled. An attacker registers an account with the victim's email address and an...

CVE-2026-67327 better-auth before 1.6.22 Account Takeover via Magic-Link Email-OTP

better-auth versions = 1.1.3 and = 1.7.0-beta.0 and 1.7.0-beta.10 are vulnerable to account takeover via pre-account hijacking on magic-link and email-OTP sign-in when open email/password registration is enabled. An attacker registers an account with the victim's email address and an...

EUVD-2026-51841

better-auth versions = 1.1.3 and = 1.7.0-beta.0 and 1.7.0-beta.10 are vulnerable to account takeover via pre-account hijacking on magic-link and email-OTP sign-in when open email/password registration is enabled. An attacker registers an account with the victim's email address and an...