CVE-2026-72584CWE-367

CVE-2026-72584

High · published August 10, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
31.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00390 · 31.9th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-08-10T15:17Z
References (2)
https://github.com/fastschema/fastschema · 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2chttps://github.com/fastschema/fastschema/blob/main/pkg/auth/local.go · 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
EPSS history
Timeline
  • 10 AUG 10:41Z
    fastschema - TOCTOU Race Condition Bypasses OTP Attempt Limit in Account Recovery
    cvelistv5