CVE-2026-94256 SMS Alert 4.0.0 - Unauthenticated Authentication Bypass via Login with OTP
Unauthenticated attackers can bypass OTP verification to log in as any user, including administrators, by controlling the phone number.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-94256?
CVE-2026-94256 is a high-severity authentication bypass vulnerability in Unknown SMS Alert, published on 10 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The SMS Alert WordPress plugin before 4.0.1 does not verify that the account being logged in is the one the verified one-time code belongs to, allowing unauthenticated attackers to sign in as any user with a stored phone number, including an administrator, by completing a code challenge on a phone they control.
Weakness: CWE-287
Which versions are affected by CVE-2026-94256?
How do I fix CVE-2026-94256?
No fix has been published for CVE-2026-94256 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-2026-94256 being exploited?
There is no known exploitation of CVE-2026-94256 in the wild and no public exploit code.
Sources
Also known as GHSA-64w6-p26h-qxq4.