CVE-2026-2709
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Open Redirect Vulnerability in Busy 2.5.5 Callback Handler

Publication date: 2026-02-19

Last updated on: 2026-04-29

Assigner: VulDB

Description
A flaw has been found in busy up to 2.5.5. The affected element is an unknown function of the file source-code/busy-master/src/server/app.js of the component Callback Handler. Executing a manipulation of the argument state can lead to open redirect. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
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Meta Information
Published
2026-02-19
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-02-19
EPSS Evaluated
2026-06-14
NVD
CVE-2026-2709
EUVD
EUVD-2026-7565
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
busyorg busy to 2.5.5 (inc)
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.
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Executive Summary

This vulnerability is a flaw found in the busy software up to version 2.5.5, specifically in an unknown function within the Callback Handler component located in the file source-code/busy-master/src/server/app.js.

The issue arises when an attacker manipulates the argument 'state', which can lead to an open redirect vulnerability. This means that the application can be tricked into redirecting users to malicious external sites.

The attack can be launched remotely, and an exploit has already been published and may be used by attackers.

Impact Analysis

The vulnerability can impact you by allowing attackers to redirect users of the affected application to malicious websites without their consent.

This can lead to phishing attacks, where users might be tricked into providing sensitive information or downloading malware.

Since the exploit can be launched remotely, it increases the risk of widespread abuse if the vulnerable version of busy is in use.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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