# @sync-in/server (npm) vulnerabilities

7 known vulnerabilities (2 high, 5 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Weekly downloads: 498
- Dependents: 0
- Registry: https://www.npmjs.com/package/@sync-in/server

## Advisories (7)

### [CVE-2026-58272](https://cve.now/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…

- Severity: Medium 5.3
- Published: Sep 21, 2026
- Affected: fixed in 2.4.1.

### [CVE-2026-58270](https://cve.now/CVE-2026-58270): Sync-in Server has a ReDoS via Unsanitized Regex in Sync Diff \`pathFilters\`

- Severity: Medium 6.5
- Published: Sep 21, 2026
- Affected: fixed in 2.4.0.

### [CVE-2026-58269](https://cve.now/CVE-2026-58269): Sync-in Server has a complete 2FA Bypass via \`POST /api/auth/token\`

- Severity: High 8.1
- Published: Sep 21, 2026
- Affected: fixed in 2.4.0.

### [CVE-2026-58271](https://cve.now/CVE-2026-58271): @sync-in/server vulnerable to TOTP Brute-Force via \`POST /api/app/sync/register\`

- Severity: Medium 6.8
- Published: Sep 21, 2026
- Affected: fixed in 2.4.0.

### [CVE-2026-47684](https://cve.now/CVE-2026-47684): Sync-in Server: SSRF protection bypass via IPv4-mapped IPv6 addresses in regExpPrivateIP

- Severity: High 7.7
- Published: Jun 16, 2026
- Affected: fixed in 2.3.0.

### [CVE-2026-41161](https://cve.now/CVE-2026-41161): Username Enumeration via Timing Attack

- Severity: Medium 6.9
- Published: May 8, 2026
- Affected: fixed in 2.2.0.

### [CVE-2025-67438](https://cve.now/CVE-2025-67438): A Stored Cross-Site Scripting (XSS) vulnerability in Sync-in Server before 1.9.3 allows an authenticated attacker to execute arbitrary…

- Severity: Medium 6.1
- Published: Feb 20, 2026
- Affected: fixed in 1.9.3.

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