CVE-2026-18390

Command Injection in Ministry of Justice's UYAP Document Editor

CVSS score

7.8

EPSS probability

—

Risk score

0.8

Published

9 h 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

CVE-2026-18390: UYAP Document Editor OS Command Injection Vulnerability

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

An OS command injection vulnerability in Ministry of Justice General Directorate of Information Technology UYAP Document Editor before 5.4.20 allows OS command injection. S0, S1

Why does it matter?

This vulnerability can enable unauthorized command execution on sensitive systems, leading to severe security compromises. S0

What should be done?

Follow official vendor advisories
Apply available updates

Chain of evidence and sources2 verified claims

UYAP Document Editor 5.4.20 öncesi sürümler işletim sistemi komut enjeksiyonu zafiyetinden etkilenmektedir.

S0 · daybreach-canonical S1 · nvd

Zafiyetin CVSS taban puanı 7.8 olarak belirlenmiştir ve yüksek önem derecesindedir.

S0 · daybreach-canonical S1 · nvd

Show the technical text from the sources

Improper neutralization of special elements used in an OS command ('OS command injection') vulnerability in Ministry of Justice General Directorate of Information Technology UYAP Document Editor allows OS Command Injection. This issue affects UYAP Document Editor: before 5.4.20.

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-78

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-2026-18390 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	Ministry of Justice General Directorate of Information Technology	UYAP Document Editor	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
7.8	CVSS V3_1	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CVE CNA
7.8	CVSS V31	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	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-2026-18390 is associated with the following CWEs:

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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-2026-18390 weaknesses.

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

Attack Vector and Accessibility

ExposureYerel erişim

PermissionsGerekmiyor

UserGerekiyor

Official Sources and Advisories

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1299vendor-advisory

CVSS Vector Radar Chart

7.8 / 10

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone required

User Interaction—

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)High

Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

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

Follow the vendor

Ministry of Justice General Directorate of Information Technology

Weakness Type (CWE & CAPEC)

CWE-78

Similar Vulnerabilities

8.8

CVE-2026-12613

Insecure Deserialization Leading to Remote Code Execution in Ministry of Justice's UYAP Document Editor

VendorMinistry of Justice General Directorate of Information TechnologyProductUYAP Document Editor

Patch status unknown9 h ago

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

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curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.enginteksut.com.tr/api/v1/intel/cves/CVE-2026-18390"