Cyber Posture

CVE-2026-26709

CriticalPublic PoC

Published: 02 March 2026

Published
02 March 2026
Modified
06 March 2026
KEV Added
Patch
CVSS Score 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0005 15.3th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-26709 is a critical-severity SQL Injection (CWE-89) vulnerability in Carmelo Simple Gym Management System. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 15.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190) and 3 other techniques. What defenders deploy: see the NIST 800-53 controls recommended below.
Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

prevent

Directly prevents SQL injection exploitation in trainer_search.php by validating and sanitizing user inputs to block malicious SQL code execution.

prevent

Requires identification, prioritization, and remediation of the specific SQL injection flaw in the Simple Gym Management System v1.0.

prevent

Ensures awareness of and response to CVE-2026-26709 through monitoring and implementing security advisories and directives for timely patching.

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.
T1213.006 Databases Collection
Adversaries may leverage databases to mine valuable information.
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.
T1485 Data Destruction Impact
Adversaries may destroy data and files on specific systems or in large numbers on a network to interrupt availability to systems, services, and network resources.
Why these techniques?

SQL injection in unauthenticated public web app component directly enables T1190 exploitation; arbitrary queries facilitate database data extraction (T1213.006), stored data manipulation (T1565.001), and data destruction (T1485).

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

NVD Description

code-projects Simple Gym Management System v1.0 is vulnerable to SQL Injection in /gym/trainer_search.php.

Deeper analysisAI

CVE-2026-26709 is an SQL Injection vulnerability (CWE-89) in code-projects Simple Gym Management System version 1.0, specifically affecting the /gym/trainer_search.php component. Published on 2026-03-02T19:16:33.370, 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), marking it as critical due to its potential for severe impact.

Unauthenticated attackers with network access can exploit this vulnerability with low complexity and no user interaction required. Successful exploitation allows high-impact compromise of confidentiality, integrity, and availability, potentially enabling arbitrary SQL query execution to extract, modify, or delete database contents.

Advisories reference a GitHub bug report at https://github.com/Thirtypenny77/bug_report/blob/main/code-projects/simple-gym-management-system/SQL-1.md detailing the issue, though no specific patches or mitigations are outlined in the available information.

Details

CWE(s)

Affected Products

carmelo
simple gym management system
1.0

CVEs Like This One

CVE-2026-26713Same vendor: Carmelo
CVE-2026-26694Same vendor: Carmelo
CVE-2026-26711Same vendor: Carmelo
CVE-2026-26710Same vendor: Carmelo
CVE-2026-0850Same vendor: Carmelo
CVE-2026-26695Same vendor: Carmelo
CVE-2026-26696Same vendor: Carmelo
CVE-2026-26712Same vendor: Carmelo
CVE-2025-25914Same vendor: Carmelo
CVE-2026-4533Same vendor: Carmelo

References