CVE-2026-72584

Published: Aug 10, 2026Modified: Aug 28, 2026Deferred

7.4

Vector

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

Exploitability: 2.2 / Impact: 5.2

Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (Secondary)

Description

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.

Related CWEs

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (2)

https://github.com/fastschema/fastschema

Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

https://github.com/fastschema/fastschema/blob/main/pkg/auth/local.go

Source: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Timeline

No history available yet.