CVE-2026-58269

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

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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 TOTP 2FA enabled. An attacker with stolen or phished credentials can bypass 2FA in a single request. The parallel login endpoint (`POST /api/auth/login`) correctly enforces 2FA by calling `setCookies(user, res, true)`, which gates on `user.twoFaEnabled`. Version 2.4.0 patches the issue.

CVSS 8.1 · Élevée · EPSS 0,3% · Correctif disponible

Publication

2026-09-21T20:01:56.322Z

Mise à jour

2026-09-24T22:38:27.013Z

Pile logicielle: node

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