Auth bypass in Miniorange 2fa

CVE-2026-16036

The miniOrange 2FA WordPress plugin before 6.2.7 does not bind the second factor being configured during the pre-login two-factor challenge to the target account's existing factor, allowing an attacker who knows a user's password to rebind that user's second factor to an attacker-controlled destination, complete the challenge, and take over the account, including administrator accounts.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-16036: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Miniorange 2fa — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16036?
CVE-2026-16036 is a high-severity vulnerability in Miniorange 2fa, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-08-05.
How severe is CVE-2026-16036?
High severity. CVSS v3 base score is 7.5 out of 10.