{
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    "cveMetadata": {
        "cveId": "CVE-2026-72584",
        "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "state": "PUBLISHED",
        "assignerShortName": "TuranSec",
        "dateReserved": "2026-08-10T10:32:53.854Z",
        "datePublished": "2026-08-10T10:41:27.492Z",
        "dateUpdated": "2026-08-10T13:14:19.784Z"
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                "shortName": "TuranSec",
                "dateUpdated": "2026-08-10T11:48:07.445Z"
            },
            "title": "fastschema - TOCTOU Race Condition Bypasses OTP Attempt Limit in Account Recovery",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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.",
                    "supportingMedia": [
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                            "value": "<p>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.</p>"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "fastschema",
                    "product": "fastschema",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.15.1"
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                    "defaultStatus": "unknown"
                }
            ],
            "references": [
                {
                    "url": "https://github.com/fastschema/fastschema",
                    "name": "Product",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/fastschema/fastschema/blob/main/pkg/auth/local.go",
                    "name": "Vulnerable File",
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            "credits": [
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                    "value": "Komiljon Ayubov",
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                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        "baseScore": 7.4,
                        "baseSeverity": "HIGH",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
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                            "cweId": "CWE-367",
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                    "time": "2026-08-10T10:32:53.000Z",
                    "lang": "en",
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                                "timestamp": "2026-08-10T13:13:37.167947Z",
                                "id": "CVE-2026-72584",
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                                        "Exploitation": "none"
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                                "version": "2.0.3"
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