# CVE-2026-11578: Fluent Forms < 6.2.5 - Form Manager+ Cross-Form Submission Entry Deletion via IDOR

> A restricted Manager can delete submission entries from forms they are not authorized to manage, requiring specific role configurations.

- **Severity:** Low 2.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Jul 2026
- **Updated:** 2 Jul 2026
- **Also known as:** GHSA-4j65-fp5w-8p9m

## What is CVE-2026-11578?

CVE-2026-11578 is a low-severity missing authorization vulnerability in Unknown Fluent Forms, published on 2 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The Fluent Forms  WordPress plugin before 6.2.5 does not properly restrict the deletion of form submission entries to the forms a restricted Manager is authorized to manage, allowing a Manager limited to specific forms to permanently delete submission entries belonging to other forms. This requires a non-default configuration in which an administrator has created at least one Manager restricted to specific forms.

## Which versions are affected by CVE-2026-11578?


## How do I fix CVE-2026-11578?

No fix has been published for CVE-2026-11578 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11578 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11578 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11578 and fix it if it is affected.

What it is: CVE-2026-11578 is a low-severity missing authorization vulnerability in Unknown Fluent Forms, published on 2 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11578 exists.

Affected product: Unknown Fluent 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-2026-11578/ (Markdown: https://insights.sbomify.com/CVE-2026-11578/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11578
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11578
- OSV: https://osv.dev/vulnerability/CVE-2026-11578

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11578/
Summaries are generated and may contain mistakes; the official description above is the record.