CVE-2026-5963

Critical

Published: 20 April 2026

Published

20 April 2026

Modified

12 May 2026

KEV Added

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Patch

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CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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

EPSS Score 0.0037 28.3th percentile

Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-5963 is a critical-severity SQL Injection (CWE-89) vulnerability in Digiwin Easyflow .Net. Its CVSS base score is 9.3 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2026-5963 is a SQL injection vulnerability (CWE-89) affecting EasyFlow .NET, a product developed by Digiwin. Published on 2026-04-20T08:16:10.653, it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), classifying it as critical due to its potential for high impact on confidentiality, integrity, and availability.

Unauthenticated remote attackers can exploit this vulnerability over the network with low complexity and no user interaction or privileges required. Successful exploitation allows attackers to inject arbitrary SQL commands, enabling them to read sensitive data, modify database contents, and delete records.

Mitigation details are provided in advisories from TWCERT/CC, available at https://www.twcert.org.tw/en/cp-139-10832-05f3a-2.html and https://www.twcert.org.tw/tw/cp-132-10831-a734d-1.html.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-23797

Vulnerability details

EasyFlow .NET developed by Digiwin has a SQL Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary SQL commands to read, modify, and delete database contents.

CWE(s): CWE-89

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1213.006 Databases Collection

Adversaries may leverage databases to mine valuable information.

attack.mitre.org →

T1565.001 Stored Data Manipulation Impact

Adversaries may insert, delete, or manipulate data at rest in order to influence external outcomes or hide activity, thus threatening the integrity of the data.

attack.mitre.org →

Why these techniques?

SQL injection in public-facing application enables T1190 (exploit public-facing app); allows reading sensitive data (T1213.006 databases) and modifying database contents (T1565.001 stored data manipulation).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0