# 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.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Oct 2026
- **Updated:** 2 Oct 2026
- **Also known as:** GHSA-87mc-m7h4-wxp9

## 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 (Uncontrolled Resource Consumption)

## 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.

## Is CVE-2026-91828 being exploited?

There is no known exploitation of CVE-2026-91828 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-91828 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-91828 in the wild and no public exploit code.

Affected product: Unknown OMGF | GDPR/DSGVO Compliant, Faster Google Fonts. Easy.. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-91828/ (Markdown: https://insights.sbomify.com/CVE-2026-91828/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-91828
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-91828
- OSV: https://osv.dev/vulnerability/CVE-2026-91828

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-91828/
Summaries are generated and may contain mistakes; the official description above is the record.