CVE-2026-103514 WP 2FA < 4.1.0 - Two-Factor Authentication Bypass via TOTP Code Replay
Attackers can bypass two-factor authentication by replaying valid TOTP codes, potentially taking over administrator accounts in WP 2FA plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-103514?
CVE-2026-103514 is a high-severity authentication bypass vulnerability in Unknown WP 2FA, published on 3 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WP 2FA WordPress plugin before 4.1.0 does not invalidate a time-based one-time passcode once it has been used, allowing an attacker who knows an account's password and has observed a valid code within its validity window to replay it and bypass two-factor authentication, including on administrator accounts.
Weakness: CWE-287
Which versions are affected by CVE-2026-103514?
How do I fix CVE-2026-103514?
No fix has been published for CVE-2026-103514 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-103514 being exploited?
There is no known exploitation of CVE-2026-103514 in the wild and no public exploit code.
Sources
Also known as GHSA-fh83-crgf-9w82.