CVE-2026-108812

SEMCMS SEMCMS_User.php user improper authorization

CVSS score

6.9

EPSS probability

—

Risk score

0.7

Published

1 d ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

SEMCMS Improper Authorization Vulnerability

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A security vulnerability in SEMCMS up to version 5.0 leads to improper authorization via remote attacks. The issue impacts an unknown function in the /admin/SEMCMS_User.php?Class=Deleted&CF=user file [S0].

Why does it matter?

This vulnerability allows remote attackers to trigger improper authorization, and its exploit has been publicly disclosed [S0].

What should be done?

Follow vendor advisories [S0]

Chain of evidence and sources2 verified claims

SEMCMS sürüm 5.0 ve öncesinde uygunsuz yetkilendirme zafiyeti tespit edilmiştir [S0].

S0 · daybreach-canonical S1 · nvd

Saldırılar uzak konumdan gerçekleştirilebilmekte olup istismar kamuya açıklanmıştır [S0].

S0 · daybreach-canonical S1 · nvd

Show the technical text from the sources

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.

CVSS vector: 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

CWE: CWE-285, CWE-266

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108812 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	n/a	SEMCMS	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
6.9	CVSS V4_0	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	CVE CNA
6.5	CVSS V31	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L	NVD
6.5	CVSS V3_1	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	CVE CNA
6.5	CVSS V3_0	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	CVE CNA
6.4	CVSS V2	—	AV:N/AC:L/Au:N/C:N/I:P/A:P	NVD
6.4	CVSS V2_0	—	AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR	CVE CNA
5.5	CVSS V40	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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108812 is associated with the following CWEs:

CWE-285: Common Weakness Enumeration Entry CWE-285 CWE-266: Common Weakness Enumeration Entry CWE-266

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108812 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

6.9 / 10

Vulnerability Scoring Details

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)Low

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

n/a

Weakness Type (CWE & CAPEC)

CWE-285 CWE-266

Similar Vulnerabilities

10.0

CVE-2015-3306 Actively exploited

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