CVE-2026-91828 OMGF < 6.3.11 - Unauthenticated DoS via do_optimize
Unauthenticated attackers can exhaust PHP workers via a slow loopback request in the OMGF WordPress plugin, causing site-wide denial of service.
- 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-2026-91828?
CVE-2026-91828 is a high-severity denial of service vulnerability in Unknown OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy., published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy. WordPress plugin before 6.3.11 does not require authentication or a valid nonce on an action that issues a slow server-side loopback request, allowing unauthenticated attackers to exhaust the site's PHP worker pool and make the entire site unavailable.
Weakness: CWE-400
Which versions are affected by CVE-2026-91828?
How do I fix CVE-2026-91828?
No fix has been published for CVE-2026-91828 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-91828 being exploited?
There is no known exploitation of CVE-2026-91828 in the wild and no public exploit code.
Sources
Also known as GHSA-87mc-m7h4-wxp9.