Cyber Resilience

CVE-2026-2689

MediumPublic PoC

Published: 19 February 2026

Published
19 February 2026
Modified
24 February 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 0.0057 42.6th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-2689 is a medium-severity Injection (CWE-74) vulnerability in Admerc Event Management 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 42.6th 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 AC-3 (Access Enforcement).

Deeper analysis

CVE-2026-2689 is a SQL injection vulnerability in the itsourcecode Event Management System 1.0, affecting an unknown function within the file /admin/manage_booking.php. The issue arises from improper handling of the ID argument, allowing remote attackers to manipulate it and inject malicious SQL code. Published on 2026-02-19, it carries a CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) and is associated with CWE-74 (Improper Neutralization of Special Elements used in an SQL Command) and CWE-89 (SQL Injection).

The vulnerability can be exploited remotely by unauthenticated attackers with low complexity and no user interaction required. Successful exploitation enables limited impacts on confidentiality, integrity, and availability, such as extracting sensitive data, modifying database contents, or disrupting service through injected SQL payloads. A public exploit is available, increasing the risk of widespread abuse.

Advisories and further details are documented in references including a GitHub issue at https://github.com/ltranquility/CVE/issues/38, the vendor site at https://itsourcecode.com/, and VulDB entries at https://vuldb.com/?ctiid.346489, https://vuldb.com/?id.346489, and https://vuldb.com/?submit.754238. No specific patch or mitigation guidance is detailed in the available information.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A vulnerability was detected in itsourcecode Event Management System 1.0. Affected is an unknown function of the file /admin/manage_booking.php. The manipulation of the argument ID results in sql injection. The attack may be performed from remote. The exploit is now…

more

public 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?

SQL injection in remotely accessible web app (/admin/manage_booking.php) with no auth required directly matches exploitation of internet-facing applications for initial access (T1190); limited DB impacts do not clearly enable other techniques like collection or execution without additional assumptions.

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

CVEs Like This One

CVE-2026-2217Same product: Admerc Event Management System
CVE-2026-2691Same product: Admerc Event Management System
CVE-2026-3042Same product: Admerc Event Management System
CVE-2026-2690Same product: Admerc Event Management System
CVE-2026-3068Same vendor: Admerc
CVE-2026-3069Same vendor: Admerc
CVE-2026-3153Same vendor: Admerc
CVE-2026-2867Same vendor: Admerc
CVE-2026-3133Same vendor: Admerc
CVE-2026-2116Shared CWE-74, CWE-89

Affected Assets

admerc
event management system
1.0

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly requires validation and neutralization of untrusted inputs such as the ID parameter before it reaches SQL statements in manage_booking.php.

prevent

Enforces access-control decisions so that unauthenticated remote callers cannot reach the vulnerable booking-management function at all.

prevent

Restricts the database account used by the application to the minimum privileges needed, limiting the impact of any successful SQL injection.

References