Cyber Resilience

CVE-2026-3723

MediumPublic PoC

Published: 08 March 2026

Published
08 March 2026
Modified
09 March 2026
KEV Added
Patch
CVSS Score v4 6.9 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 0.0037 28.7th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-3723 is a medium-severity Injection (CWE-74) vulnerability in Carmelo Simple Flight Ticket Booking System. Its CVSS base score is 6.9 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 28.7th 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-2026-3723 is a SQL injection vulnerability (CWE-74, CWE-89) in code-projects Simple Flight Ticket Booking System version 1.0. The issue resides in an unknown function within the file /Admindelete.php, where manipulation of the flightno argument enables injection attacks.

The vulnerability is remotely exploitable (AV:N) by unauthenticated attackers (PR:N) with low attack complexity (AC:L) and no requirement for user interaction (UI:N), resulting in unchanged scope (S:U) and low impacts on confidentiality, integrity, and availability (C:L/I:L/A:L). This yields a CVSS 3.1 base score of 7.3. An exploit has been publicly released, facilitating attacks.

Advisories referenced in VulDB entries (ctiid.349699, id.349699, submit.766311) and a GitHub issue (github.com/Owen-YuanW/CVE/issues/6) document the flaw, alongside the project site at code-projects.org. No specific patches or mitigations are detailed in the available information.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A security flaw has been discovered in code-projects Simple Flight Ticket Booking System 1.0. This affects an unknown function of the file /Admindelete.php. The manipulation of the argument flightno results in sql injection. The attack may be performed from remote.…

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The exploit has been released to the public and may be used for attacks.

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?

SQL injection in a remotely accessible web app (Admindelete.php) directly enables initial access via exploitation of a public-facing application.

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

CVEs Like This One

CVE-2026-3705Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-3735Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-3710Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-3711Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-3708Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-3709Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-3736Same product: Carmelo Simple Flight Ticket Booking System
CVE-2026-5018Same vendor: Carmelo
CVE-2026-0728Same vendor: Carmelo
CVE-2026-2158Same vendor: Carmelo

Affected Assets

carmelo
simple flight ticket booking system
1.0

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly requires validation and sanitization of the flightno input parameter in Admindelete.php to block SQL injection payloads.

prevent

Mandates timely remediation of the publicly disclosed SQL injection flaw in the Simple Flight Ticket Booking System code.

prevent

Limits database account privileges so that a successful flightno injection cannot perform arbitrary data manipulation or deletion.

References