CVE-2026-72584 HIGH

CVE-2026-72584: fastschema - TOCTOU Race Condition Bypasses OTP Attempt Limit in Account Recovery

Vendor Fastschema
Product fastschema
Weakness CWE-367
Published August 10, 2026
Last update August 10, 2026

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

A time-of-check/time-of-use (TOCTOU) race condition in fastschema through v0.15.1 allows an unauthenticated remote attacker to bypass the OTP attempt limit on the account recovery flow, enabling brute-force attacks on 6-digit OTP codes.

Key dates

02Disclosure timeline

August 10, 2026 CVE published
August 10, 2026 Record updated