Cyber Resilience

CVE-2026-8126

Medium

Published: 08 May 2026

Published
08 May 2026
Modified
08 May 2026
KEV Added
Patch
CVSS Score v4 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
EPSS Score 0.0004 13.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-8126 is a medium-severity Injection (CWE-74) vulnerability in Sourcecodester (inferred from references). Its CVSS base score is 5.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 13.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A flaw has been found in SourceCodester Comment System 1.0. This issue affects some unknown processing of the file post_comment.php. This manipulation of the argument Name causes sql injection. Remote exploitation of the attack is possible. The exploit has been…

more

published and may be used.

CWE(s)

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.
Why these techniques?

Direct remote SQL injection in a web app (post_comment.php) enables exploitation of public-facing applications for initial access.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2026-3150Shared CWE-74, CWE-89
CVE-2026-3746Shared CWE-74, CWE-89
CVE-2025-2683Shared CWE-74, CWE-89
CVE-2026-5238Shared CWE-74, CWE-89
CVE-2026-4288Shared CWE-74, CWE-89
CVE-2026-2220Shared CWE-74, CWE-89
CVE-2025-1535Shared CWE-74, CWE-89
CVE-2026-0597Shared CWE-74, CWE-89
CVE-2026-1688Shared CWE-74, CWE-89
CVE-2026-5018Shared CWE-74, CWE-89

Affected Assets

Sourcecodester
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-89

Penetration testing uses SQL injection payloads against database interfaces, identifying and supporting fixes for SQL injection weaknesses.

addresses: CWE-74

Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.

addresses: CWE-89

Validates query inputs to prevent SQL syntax or command manipulation.

addresses: CWE-74

Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.

References