CVE-2026-127079

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-127079", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-12T14:12:09.595Z", "datePublished": "2026-11-13T09:34:22.100Z", "dateUpdated": "2026-11-13T09:34:22.100Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:34:22.100Z"}, "datePublic": "2026-11-12T00:00:00.000Z", "title": "OpsTree BuildPiper before 2.7.0 OTP Brute Force via password_reset/check_otp", "descriptions": [{"lang": "en", "value": "OpsTree BuildPiper before 2.7.0 lacks rate limiting on password-reset OTP verification, allowing unauthenticated attackers to brute force 6-digit OTPs. Attackers can initiate a reset and submit unthrottled guesses to the check_otp endpoint, resetting the target's password and taking over the account."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Restriction of Excessive Authentication Attempts", "cweId": "CWE-307", "type": "CWE"}]}], "affected": [{"vendor": "OpsTree Solutions", "product": "BuildPiper", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "2.7.0", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH"}}], "references": [{"url": "https://gist.github.com/neelkotnis/c3c9d02c324a73937ca4db81f223435e", "tags": ["technical-description", "exploit"]}, {"url": "https://www.buildpiper.io/", "tags": ["product"], "name": "BuildPiper Product Page"}, {"name": "VulnCheck Advisory: OpsTree BuildPiper before 2.7.0 OTP Brute Force via password_reset/check_otp", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/opstree-buildpiper-before-2.7.0-otp-brute-force-via-password-reset-check-otp"}], "credits": [{"lang": "en", "value": "Neel Saurabh Kotnis", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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