What is CVE-2026-108812?

CVE-2026-108812 is a medium-severity vulnerability in Semcms, classified under Incorrect Privilege Assignment. CVSS score: 6.5/10. Published 2026-10-12.

How severe is CVE-2026-108812?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Semcms

CVE-2026-108812

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.

Published 2026-10-12 · last modified 2026-10-12.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Semcms — versions 5.0

Weakness classification (CWE)

References

github.com/ants01/semcmsPHP-V5.0-There-is-an-unauthorized-deletion-of-arbitrary… (exploit)
vuldb.com/cve/CVE-2026-108812 (third-party-advisory)
vuldb.com/submit/964027 (third-party-advisory)
vuldb.com/vuln/416589 (vdb-entry)
vuldb.com/vuln/416589/cti (signature, permissions-required)

Frequently asked questions

What is CVE-2026-108812?: CVE-2026-108812 is a medium-severity vulnerability in Semcms, classified under Incorrect Privilege Assignment. CVSS score: 6.5/10. Published 2026-10-12.
How severe is CVE-2026-108812?: Medium severity. CVSS v3 base score is 6.5 out of 10.