CVE-2026-126571 · Package
NO FIX YET · SEE WHAT TO DO
Padloc 4.0.0 before 4.3.1 has a legacy retrieveMFAToken handler that does not count wrong email verification codes toward the attempt limit. An unauthenticated attacker who knows a victim's email can brute-force the 6-digit code and obtain tokens usable for signup, login and account recovery.
first public Nov 10, 2026 · 1 source
Could this affect your app?
Free first check from your website. Connect your repo for the full answer.
Self-hosted Padloc deployments in the 4.0.0 to 4.3.1 range that expose the legacy retrieveMFAToken endpoint are exposed. Hosted or already-upgraded instances are not. Sources do not state more detail on configuration.
Not affected if version-4.3.1-or-later
Who cares padloc, password-manager, self-hosted
4.0.0 up to but not including 4.3.14.3.1 or later (per the sources' affected range)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.
This page as .md · .json · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/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
Check it with your coding agent
It reads this page and tells you if your code is affected.
Are you affected?
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.