CVE-2026-100678

Katalog CVE

CVSS 6.5 · Medium EPSS 0,24%

Kerentanan Improper Restriction of Excessive Authentication Attempts. Skor CVSS 3.1 6.5 (Medium) menurut vulncheck.com.

Deskripsi (NVD)

stoatchat before 0.15.5 fails to enforce account-level attempt limits on MFA login challenges, allowing attackers who know a password to guess TOTP codes with only IP-based rate limiting. Attackers can reuse MFA challenge tickets across multiple failed attempts and distribute guesses across IP addresses to bypass rate limiting and gain account access.

Rincian

Terbit di NVD

26 September 2026

Terakhir diubah

30 September 2026

Status NVD

Deferred

CVSS 3.1

6.5 (Medium), sumber vulncheck.com
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-307: Improper Restriction of Excessive Authentication Attempts

EPSS (30 hari)

0,24% peluang dieksploitasi; lebih tinggi dari 14,2% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/stoatchat/stoatchat/security/advisories/GHSA-6877-g673-f5r8
• https://www.vulncheck.com/advisories/stoatchat-before-0.15.5-mfa-brute-force-via-insufficient-rate-limiting