CVE-2026-18720
Received Received - Intake

Improper Authorization in Kalcaddle Kodbox msgWarning Plugin

Publication date: 2026-08-04

Last updated on: 2026-08-04

Assigner: VulDB

Description
A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-04
Last Modified
2026-08-04
Generated
2026-08-04
AI Q&A
2026-08-04
EPSS Evaluated
N/A
NVD
CVE-2026-18720
EUVD
EUVD-2026-52565

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
kalcaddle kodbox 1.67

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

CVE-2026-18720 is an improper authorization flaw in kalcaddle kodbox version 1.67 Build 02. The vulnerability exists in the msgWarning Plugin, specifically in the file /index.php?plugin/msgWarning/action. An attacker can remotely exploit this to gain unauthorized access or perform actions they should not be permitted to do.

Impact Analysis

This vulnerability allows remote attackers to bypass authorization checks, potentially accessing sensitive data or performing unauthorized actions in the kodbox application. Since the exploit is publicly available, the risk of exploitation is higher.

Mitigation Strategies

Immediately disable or restrict access to the msgWarning plugin in kalcaddle kodbox 1.67 Build 02. Update to the latest patched version if available. Monitor network traffic for unusual activity targeting /index.php?plugin/msgWarning/action. Since the vendor did not respond, consider isolating affected systems until a fix is confirmed.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-18720. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart