CVE-2026-28148 WordPress Headless Single Sign On plugin <= 1.6 - Bypass Vulnerability vulnerability
Unauthenticated attackers can bypass authentication in the Headless Single Sign On plugin, potentially gaining unauthorized access to WordPress sites.
- 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-2026-28148?
CVE-2026-28148 is a critical authentication bypass vulnerability in miniOrange Headless Single Sign On, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Bypass Vulnerability in Headless Single Sign On <= 1.6 versions.
Weakness: CWE-347
Which versions are affected by CVE-2026-28148?
How do I fix CVE-2026-28148?
No fix has been published for CVE-2026-28148 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-2026-28148 being exploited?
There is no known exploitation of CVE-2026-28148 in the wild and no public exploit code.
Sources
Also known as GHSA-j2jj-77qx-hh3h.