Cyber Resilience

CVE-2026-26709

CriticalPublic PoC

Published: 02 March 2026

Published
02 March 2026
Modified
06 March 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0032 24.2th percentile
Risk Priority 70 floored blend · peak EPSS

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 24.2th 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).

Deeper analysis

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.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

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

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 →
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.
attack.mitre.org →
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 v19.0

CVEs Like This One

CVE-2026-26713Same vendor: Carmelo
CVE-2026-26694Same vendor: Carmelo
CVE-2025-25914Same vendor: Carmelo
CVE-2026-26711Same vendor: Carmelo
CVE-2026-26712Same vendor: Carmelo
CVE-2026-26696Same vendor: Carmelo
CVE-2026-0850Same vendor: Carmelo
CVE-2026-26695Same vendor: Carmelo
CVE-2026-26710Same vendor: Carmelo
CVE-2026-3736Same vendor: Carmelo

Affected Assets

carmelo
simple gym management system
1.0

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

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

SI-2 Flaw Remediation good match
prevent

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

SI-5 Security Alerts, Advisories, and Directives good match
prevent

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

References