{"id":"CVE-2026-126571","published":"2026-11-11T03:16:51.817","lastModified":"2026-11-11T03:16:51.817","description":"Padloc 4.0.0 before 4.3.1 contains an authentication bypass vulnerability in the legacy retrieveMFAToken handler that never counts wrong email verification codes toward the attempt limit. Unauthenticated attackers knowing a victim's email can brute force the 6-digit code to obtain verification tokens usable in signup, login and account recovery flows.","cvssScore":4.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","cwes":["CWE-307"],"vendors":[],"products":[],"references":[{"url":"https://github.com/padloc/padloc/blob/v4.3.0/packages/core/src/v3-compat.ts#L191-L210","tags":[]},{"url":"https://github.com/padloc/padloc/commit/26f292515fe623826070454872f9cee08b756544","tags":[]},{"url":"https://github.com/padloc/padloc/security/advisories/GHSA-3mq5-m2qg-fqhq","tags":[]},{"url":"https://www.vulncheck.com/advisories/padloc-4.0.0-before-4.3.1-email-mfa-code-brute-force-via-retrievemfatoken","tags":[]}],"exploitRefs":[{"url":"https://github.com/padloc/padloc/blob/v4.3.0/packages/core/src/v3-compat.ts#L191-L210","tags":[]},{"url":"https://github.com/padloc/padloc/commit/26f292515fe623826070454872f9cee08b756544","tags":[]},{"url":"https://github.com/padloc/padloc/security/advisories/GHSA-3mq5-m2qg-fqhq","tags":[]}],"hasPoc":true,"ai":null}