{"affected":[{"defaultStatus":"unaffected","ecosystem":"golang","packageName":"github.com/knadh/listmonk","product":"listmonk","source":"CNA: VulnCheck","vendor":"knadh","versions":[{"lessThan":"7.0.0-beta.2","status":"affected","version":"6.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-128332","cwes":["CWE-307"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":9.1,"severity":"critical","source":"CNA: VulnCheck","vector":"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","version":"4.0"},{"score":7.4,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},{"score":9.1,"severity":"critical","source":"NVD: disclosure@vulncheck.com","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":7.4,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}],"modifiedAt":1794565093163,"publishedAt":1794562422195,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/knadh/listmonk/commit/3f62a55c13dbc679b29238e890e4b90d6d4996d8"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/knadh/listmonk/releases/tag/v7.0.0-beta.2"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/knadh/listmonk/blob/v7.0.0-beta.1/internal/tmptokens/tmptokens.go#L13-L88"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/knadh/listmonk/blob/v7.0.0-beta.1/cmd/auth.go#L514-L568"},{"source":"CNA: VulnCheck","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"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/knadh/listmonk/blob/v7.0.0-beta.1/cmd/auth.go#L514-L568"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/knadh/listmonk/blob/v7.0.0-beta.1/internal/tmptokens/tmptokens.go#L13-L88"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/knadh/listmonk/commit/3f62a55c13dbc679b29238e890e4b90d6d4996d8"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/knadh/listmonk/releases/tag/v7.0.0-beta.2"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/listmonk-6.0.0-before-7.0.0-beta.2-totp-brute-force-via-admin-login-twofa"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/knadh/listmonk/commit/3f62a55c13dbc679b29238e890e4b90d6d4996d8"}],"revision":"d70b83eaac7edf2829ece34e46dc73ca2e4eb99f760096aecba34490c62c7ed1","sources":[{"modifiedAt":1794562422195,"name":"CNA: VulnCheck","retrievedAt":1794564861794,"url":"https://www.cve.org/CVERecord?id=CVE-2026-128332"},{"modifiedAt":1794565093163,"name":"NVD","retrievedAt":1794572257578,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128332"}],"ssvc":null,"status":"published","title":"listmonk 6.0.0 before 7.0.0-beta.2 TOTP Brute-Force via /admin/login/twofa","updatedAt":1794572257578}