CVE-2026-58270 Sync-in Server has a ReDoS via Unsanitized Regex in Sync Diff `pathFilters`

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, the sync diff endpoint compiles a user-supplied string into a RegExp with no complexity validation. A catastrophic-backtracking pattern e.g. ^a++b blocks the Node.js event loop...

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-2026-58271

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/app/sync/register accepts credentials and a TOTP code to register a desktop sync client. On a failed TOTP, SyncClientsManager.register calls updateAccessesuser, ip,...

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 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 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-2026-58271

Sync-in Server , an open-source platform for file storage and collaboration, is vulnerable to TOTP brute-force in versions prior to 2.4.0 . The endpoint POST /api/app/sync/register fails to increment the passwordAttempts counter on TOTP failure due to a freeze branch in updateAccesses(), so the l...

CVE-2026-58271 @sync-in/server vulnerable to TOTP Brute-Force via `POST /api/app/sync/register`

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/app/sync/register accepts credentials and a TOTP code to register a desktop sync client. On a failed TOTP, SyncClientsManager.register calls updateAccessesuser, ip,...

CVE-2026-58271 @sync-in/server vulnerable to TOTP Brute-Force via `POST /api/app/sync/register`

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/app/sync/register accepts credentials and a TOTP code to register a desktop sync client. On a failed TOTP, SyncClientsManager.register calls updateAccessesuser, ip,...

CVE-2026-58271 @sync-in/server vulnerable to TOTP Brute-Force via `POST /api/app/sync/register`

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/app/sync/register accepts credentials and a TOTP code to register a desktop sync client. On a failed TOTP, SyncClientsManager.register calls updateAccessesuser, ip,...

PT-2026-96240

Name of the Vulnerable Software and Affected Versions Sync-in Server versions prior to 2.4.0 Description An issue exists where the POST /api/auth/token endpoint authenticates users using only a username and password, subsequently calling the getTokens function to return full access and refresh JS...

CVE-2026-58270: Inefficient Regular Expression Complexity

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, the sync diff endpoint compiles a user-supplied string into a RegExp with no complexity validation. A catastrophic-backtracking pattern e.g. ^a++b blocks the Node.js event loop...

CVE-2026-58271: Improper Restriction of Excessive Authentication Attempts

Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, POST /api/app/sync/register accepts credentials and a TOTP code to register a desktop sync client. On a failed TOTP, SyncClientsManager.register calls updateAccessesuser, ip,...

CVE-2026-58272: Observable Timing Discrepancy

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: 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...

PT-2026-96234

Name of the Vulnerable Software and Affected Versions Sync-in Server versions prior to 2.4.0 Description An issue exists where the account lockout mechanism fails to trigger during repeated Time-based One-Time Password TOTP failures. When using the POST /api/app/sync/register endpoint to register...

PT-2026-96250

Name of the Vulnerable Software and Affected Versions Sync-in Server versions prior to 2.4.0 Description Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. The sync diff endpoint POST /api/app/sync/operation/diff/:id compiles a user-supplied string...

PT-2026-96251

Name of the Vulnerable Software and Affected Versions Sync-in Server versions prior to 2.4.1 Description An observable timing discrepancy exists in the login process. When an authentication attempt is made for a nonexistent account, the system returns a response immediately without performing the...

PT-2026-95839

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.72.0 until 1.75.1, the archive ZIP backend method Fs.readZip in backend/archive/zip/zip.go accepts archive/zip.File.Name values from an untrusted central directory and exposes...