# CVE-2026-85642: Formidable Forms 6.5 - 6.35 - Unauthenticated Payment Gateway Connect Verification DoS


- **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
- **Fix available:** No
- **Published:** 21 Oct 2026
- **Updated:** 21 Oct 2026
- **Also known as:** GHSA-4w7f-p9m2-jxgx

## What is CVE-2026-85642?

CVE-2026-85642 is a high-severity vulnerability in Unknown Formidable Forms, published on 21 Oct 2026. 

### Official description

The Formidable Forms  WordPress plugin before 7.0 does not verify the identity of the caller before recording the timestamp it uses to rate limit payment gateway verification requests, allowing unauthenticated attackers to consume the daily allowance and cause legitimate verification attempts to be refused for the next 24 hours.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2026-85642?


## How do I fix CVE-2026-85642?

No fix has been published for CVE-2026-85642 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-85642 being exploited?

There is no known exploitation of CVE-2026-85642 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-85642 and fix it if it is affected.

What it is: CVE-2026-85642 is a high-severity vulnerability in Unknown Formidable Forms, published on 21 Oct 2026. 
Exploitation: There is no known exploitation of CVE-2026-85642 in the wild and no public exploit code.

Affected product: Unknown Formidable Forms. 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-2026-85642/ (Markdown: https://insights.sbomify.com/CVE-2026-85642/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-85642
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-85642
- OSV: https://osv.dev/vulnerability/CVE-2026-85642

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-85642/
Summaries are generated and may contain mistakes; the official description above is the record.