What is CVE-2026-108813?

CVE-2026-108813 is a medium-severity vulnerability in Semcms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-10-12.

How severe is CVE-2026-108813?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SQL Injection in Semcms

CVE-2026-108813

A vulnerability was detected in SEMCMS up to 5.0. This affects an unknown function of the file SEMCMS_Download.php. Performing a manipulation results in sql injection. It is possible to initiate the attack remotely. The exploit is now public 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 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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-An-SQL-injection-vulnerability-exists. (exploit)
vuldb.com/cve/CVE-2026-108813 (third-party-advisory)
vuldb.com/submit/964051 (third-party-advisory)
vuldb.com/vuln/416590 (vdb-entry)
vuldb.com/vuln/416590/cti (signature, permissions-required)

Frequently asked questions

What is CVE-2026-108813?: CVE-2026-108813 is a medium-severity vulnerability in Semcms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-10-12.
How severe is CVE-2026-108813?: Medium severity. CVSS v3 base score is 6.3 out of 10.