CVE-2026-43936 e107: Server-Side Request Forgery (SSRF) in the remote file fetcher
An attacker with admin access can exploit SSRF in the Media Manager to access local environment resources via remote file fetcher.
- 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-2026-43936?
CVE-2026-43936 is a medium-severity server-side request forgery vulnerability in e107inc e107, published on 26 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
e107 is a content management system (CMS). Prior to 2.3.4, you can access the local environment by specifying the URL of the local environment from "Image/File URL:" of "From a remote location" in "Media Manager" on the administrator screen. This vulnerability is fixed in 2.3.4.
Weakness: CWE-918
Which versions are affected by CVE-2026-43936?
How do I fix CVE-2026-43936?
No fix has been published for CVE-2026-43936 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-43936 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-43936 exists.
Sources
Also known as GHSA-92fr-7h4f-22pp.