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.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86781 being exploited?
There is no known exploitation of CVE-2026-86781 in the wild and no public exploit code.
Sources
Also known as GHSA-jmvf-92jg-53j3.