{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-128332", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-13T01:20:37.116Z", "datePublished": "2026-11-13T09:33:42.195Z", "dateUpdated": "2026-11-13T09:33:42.195Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:33:42.195Z"}, "datePublic": "2026-11-09T17:50:28.000Z", "title": "listmonk 6.0.0 before 7.0.0-beta.2 TOTP Brute-Force via /admin/login/twofa", "descriptions": [{"lang": "en", "value": "Listmonk 6.0.0 before 7.0.0-beta.2 contains a 2FA bypass vulnerability that allows attackers with a valid password to brute-force TOTP codes because the attempt counter resets on every new password login. Attackers can repeatedly submit credentials to POST /admin/login to obtain fresh tokens, each allowing 15 more guesses, gaining sessions for 2FA-protected accounts including Super Admin."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Restriction of Excessive Authentication Attempts", "cweId": "CWE-307", "type": "CWE"}]}], "affected": [{"vendor": "knadh", "product": "listmonk", "defaultStatus": "unaffected", "versions": [{"version": "6.0.0", "status": "affected", "versionType": "semver", "lessThan": "7.0.0-beta.2"}], "packageURL": "pkg:golang/github.com/knadh/listmonk"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "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://github.com/knadh/listmonk/commit/3f62a55c13dbc679b29238e890e4b90d6d4996d8", "tags": ["patch"]}, {"url": "https://github.com/knadh/listmonk/releases/tag/v7.0.0-beta.2", "tags": ["release-notes"], "name": "listmonk v7.0.0-beta.2 Release Notes"}, {"url": "https://github.com/knadh/listmonk/blob/v7.0.0-beta.1/internal/tmptokens/tmptokens.go#L13-L88", "tags": ["technical-description"]}, {"url": "https://github.com/knadh/listmonk/blob/v7.0.0-beta.1/cmd/auth.go#L514-L568", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: listmonk 6.0.0 before 7.0.0-beta.2 TOTP Brute-Force via /admin/login/twofa", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/listmonk-6.0.0-before-7.0.0-beta.2-totp-brute-force-via-admin-login-twofa"}], "credits": [{"lang": "en", "value": "Komiljon Ayubov", "type": "finder"}, {"lang": "en", "value": "Kailash Nadh", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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