CVE-2026-108812 SEMCMS SEMCMS_User.php user improper authorization
Remote attackers can bypass authorization in SEMCMS to perform unauthorized user deletion actions via the admin interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108812?
CVE-2026-108812 is a medium-severity missing authorization vulnerability in SEMCMS, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security vulnerability has been detected in SEMCMS up to 5.0. The impacted element is an unknown function of the file /admin/SEMCMS_User.php?Class=Deleted&CF=user. Such manipulation leads to improper authorization. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-108812?
How do I fix CVE-2026-108812?
No fix has been published for CVE-2026-108812 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-2026-108812 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108812 exists.
Sources
Also known as GHSA-8rg8-qfgh-x9mp.