CVE-2026-93506 SveltyCMS File Upload Endpoint upload-media server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the SveltyCMS file upload endpoint to access internal resources.
- 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-2026-93506?
CVE-2026-93506 is a medium-severity server-side request forgery vulnerability in SveltyCMS, published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in SveltyCMS 0.0.6. This issue affects some unknown processing of the file /mediagallery/upload-media of the component File Upload Endpoint. Executing a manipulation can lead to server-side request forgery. The attack can be launched remotely. This patch is called 05b4f9efeb79e9d72a693232334d7529687f896f. It is best practice to apply a patch to resolve this issue.
Weakness: CWE-918
Which versions are affected by CVE-2026-93506?
How do I fix CVE-2026-93506?
No fix has been published for CVE-2026-93506 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-2026-93506 being exploited?
There is no known exploitation of CVE-2026-93506 in the wild and no public exploit code.
Sources
Also known as GHSA-88rq-v8pm-8jvf.