EUVD-2026-87650

stoatchat before 0.15.5 contains an account enumeration vulnerability in the login endpoint that exposes source file locations in error responses. Unauthenticated attackers can distinguish between registered and unregistered email addresses by comparing error location fields returned from POST...

EUVD-2026-87367

Flame through 2.4.0 contains an improper restriction of excessive authentication attempts vulnerability in the POST /api/auth login endpoint that allows unauthenticated attackers to brute-force the admin password. Attackers can submit unlimited password guesses without rate limiting, attempt...

CVE-2026-56682

9Router is an AI router & token saver. Prior to 0.5.6, 9Router deployments that allow requests to reach Next.js without the sanitizing custom-server.js wrapper use the client-supplied X-9r-Real-Ip value as the bucket key in getClientIp, checkLock, and recordFail in src/lib/auth/loginLimiter.js fo...

Sync-in Server has Username/Login Enumeration via Timing Side-Channel on POST /api/auth/login (incomplete fix of the prior timing-attack advisory)

Summary validateUser in backend/src/authentication/providers/mysql/auth-provider-mysql.service.ts returns immediately when the supplied login/email does not match any account, without ever calling comparePassword: async validateUserloginOrEmail: string, password: string, ip?: string, scope?:...

EUVD-2026-84115

Sync-in Server has a complete 2FA Bypass via POST /api/auth/token...

Sync-in Server has a complete 2FA Bypass via `POST /api/auth/token`

Affected component: Sync-in Server v2.3.0, POST /api/auth/token auth.controller.ts:50-55. Required attacker capability: Valid username and password for a 2FA-enabled account. Summary POST /api/auth/token authenticates with username and password only, then calls getTokens, which returns unrestrict...

CVE-2026-58272 Sync-in Server has Username/Login Enumeration via Timing Side-Channel on POST /api/auth/login (incomplete fix of the prior timing-attack advisory)

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Versions prior to 2.4.1 contain an observable timing discrepancy in the login endpoint because authentication attempts for nonexistent accounts return without performing the bcrypt comparison used for...

CVE-2026-58269

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/auth/token authenticates with username and password only, then calls getTokens, which returns full access and refresh JWTs without checking whether the account has TO...

CVE-2026-58269 Sync-in Server has a complete 2FA Bypass via `POST /api/auth/token`

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/auth/token authenticates with username and password only, then calls getTokens, which returns full access and refresh JWTs without checking whether the account has TO...

CVE-2026-58269

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0 , the POST /api/auth/token endpoint authenticates users with only username and password, then calls getTokens(), which returns full access and refresh JWTs without checking whet...

CVE-2026-58269: Authentication Bypass Using an Alternate Path or Channel

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/auth/token authenticates with username and password only, then calls getTokens, which returns full access and refresh JWTs without checking whether the account has TO...

CVE-2026-54460 OpenReception: Unauthenticated WebAuthn passkey injection via `POST /api/auth/passkeys` leads to account takeover

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to 1.1.1, POST /api/auth/passkeys accepts a request-body userId and attacker-supplied passkey without an authenticated session, does not call WebAuthnService.verifyRegistration, and...

CVE-2026-54460: Missing Authentication for Critical Function

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to 1.1.1, POST /api/auth/passkeys accepts a request-body userId and attacker-supplied passkey without an authenticated session, does not call WebAuthnService.verifyRegistration, and...

CVE-2026-56677: Missing Authentication for Critical Function

9Router is an AI router & token saver. In 0.5.4 and earlier, the POST /api/auth/oidc/test endpoint in src/app/api/auth/oidc/test/route.js passes the user-controlled issuerUrl parameter to fetchOidcDiscovery in src/lib/auth/oidc.js without restricting private or loopback destinations, allowing...

CVE-2026-48087: Improper Authentication

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, the registration handler at POST /api/auth/register/userId validates the relationship between the WebAuthn challenge and the registration cookie's email but never...

CVE-2026-54040: Missing Authentication for Critical Function

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-2026-44443: Concurrent Execution using Shared Resource with Improper Synchronization

Lumiverse is a full-featured AI chat application. Prior to 0.9.7, consumeNonce only checks that the module-level variable is set and unexpired. It does not validate any value from the incoming HTTP request or bind the nonce to the admin's session. If the admin's auth.api.signUpEmail call fails...

CVE-2026-31881: Missing Authentication for Critical Function

Runtipi is a personal homeserver orchestrator. Prior to 4.8.0, an unauthenticated attacker can reset the operator admin password when a password-reset request is active, resulting in full account takeover. The endpoint POST /api/auth/reset-password is exposed without authentication/authorization...