# CVE-2026-86781: SSL Zen < 4.7.40 - Subscriber+ TLS Private Key Disclosure

> Authenticated users, including Subscribers, can download the site's TLS private key and certificates due to missing capability checks in the SSL Zen WordPress plugin.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Sep 2026
- **Updated:** 11 Sep 2026
- **Also known as:** GHSA-jmvf-92jg-53j3

## What is CVE-2026-86781?

CVE-2026-86781 is a medium-severity missing authorization vulnerability in Unknown SSL Zen — SSL Certificate Installer & HTTPS Redirects, published on 11 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

The SSL Zen — SSL Certificate Installer & HTTPS Redirects WordPress plugin before 4.7.40 does not perform capability or nonce checks on a certificate-file download routine that runs early in the WordPress admin request lifecycle, allowing any authenticated user, including Subscribers, to download the site's TLS private key, certificates, and diagnostic logs.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-86781?


## How do I fix CVE-2026-86781?

No fix has been published for CVE-2026-86781 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-86781 being exploited?

There is no known exploitation of CVE-2026-86781 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-86781 and fix it if it is affected.

What it is: CVE-2026-86781 is a medium-severity missing authorization vulnerability in Unknown SSL Zen — SSL Certificate Installer & HTTPS Redirects, published on 11 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-86781 in the wild and no public exploit code.

Affected product: Unknown SSL Zen — SSL Certificate Installer & HTTPS Redirects. 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-2026-86781/ (Markdown: https://insights.sbomify.com/CVE-2026-86781/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-86781
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-86781
- OSV: https://osv.dev/vulnerability/CVE-2026-86781

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-86781/
Summaries are generated and may contain mistakes; the official description above is the record.