CVE-2026-108812

SEMCMS SEMCMS_User.php user improper authorization

State: Published
Severity: 6.9 Medium
Published: Oct 12, 2026
Updated: Oct 15, 2026
Reserved: Oct 11, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	6.5 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	6.4 Medium	AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-285 Improper Authorization
CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
SEMCMSn/a	5.0Affected

References

VDB-416589 | SEMCMS SEMCMS_User.php user improper authorizationvdb-entry
VDB-416589 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-108812 | CVE Analysis and Reportthird-party-advisory
Submit #964027 | semcms semcmsPHP(多语)版 V5.0 Unauthorized access vulnerabilitythird-party-advisory
https://github.com/ants01/semcmsPHP-V5.0-There-is-an-unauthorized-deletion-of-arbitrary-users.exploit

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