CVE-2026-18721
Received Received - Intake

Open Redirect in Kalcaddle Kodbox SSO API Login

Vulnerability report for CVE-2026-18721, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-04

Last updated on: 2026-08-04

Assigner: VulDB

Description

A vulnerability has been found in kalcaddle kodbox 1.67 Build 02. This issue affects some unknown processing of the file /user/sso/apiLogin of the component SSO API Login. The manipulation of the argument callbackUrl leads to open redirect. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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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
EUVD

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-601 The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

Attack-Flow Graph

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Executive Summary

This vulnerability is an open redirect issue in kalcaddle kodbox version 1.67 Build 02. It exists in the SSO API Login component where the callbackUrl parameter can be manipulated. An attacker can exploit this to redirect users to malicious sites.

Detection Guidance

Detecting this open redirect vulnerability in kalcaddle kodbox 1.67 Build 02 requires checking the /user/sso/apiLogin endpoint for improper handling of the callbackUrl parameter. Monitor network traffic for requests to this path with unusual callbackUrl values pointing to external domains. Inspect server logs for suspicious redirect patterns or unexpected URL parameters.

Impact Analysis

An attacker could trick users into visiting a malicious site via a legitimate-looking link. This could lead to phishing attacks, credential theft, or malware infections. Users might unknowingly expose sensitive data.

Compliance Impact

This vulnerability is an open redirect issue in the SSO API Login component of kalcaddle kodbox 1.67. While it does not directly expose sensitive data, open redirects can be exploited for phishing attacks, which may lead to unauthorized access or data breaches. This could potentially impact compliance with GDPR (data protection) and HIPAA (healthcare data privacy) by enabling unauthorized access to personal or health information.

Mitigation Strategies

Immediately update kalcaddle kodbox to the latest patched version if available. If no patch exists, restrict access to the /user/sso/apiLogin endpoint via firewall rules or web server configuration. Validate and sanitize all callbackUrl inputs to ensure they only redirect to trusted domains. Consider disabling the SSO API Login component if unused.

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