CVE-2026-85022
Received Received - Intake

Cross-Site Scripting in Dify WebApp Sign-In

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: VulDB

Description
A vulnerability was identified in langgenius dify 1.13.0. Affected by this vulnerability is the function router.replace of the file web/app/(shareLayout)/webapp-signin/components/mail-and-password-auth.tsx of the component WebApp Sign-In. Such manipulation of the argument redirect_url leads to cross site scripting. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-85022
EUVD
EUVD-2026-70298

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
langgenius dify 1.13.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability is a cross-site scripting (XSS) flaw in langgenius dify version 1.13.0. It exists in the WebApp Sign-In component where the redirect_url parameter in the router.replace function is manipulated. This allows attackers to inject malicious scripts into web pages viewed by users.

Detection Guidance

This vulnerability involves a cross-site scripting (XSS) flaw in the WebApp Sign-In component of langgenius dify 1.13.0. Detection requires checking for the affected file path and testing for XSS via the redirect_url parameter. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to execute malicious scripts in your browser when accessing the affected component. This may lead to session hijacking, data theft, or defacement of web pages. The exploit is publicly available, increasing the risk of real-world attacks.

Compliance Impact

This XSS vulnerability could compromise user data confidentiality, potentially violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations using the affected software may face compliance violations if user data is exposed due to the flaw.

Mitigation Strategies

Immediate steps include updating langgenius dify to a patched version if available, restricting user input validation for the redirect_url parameter, and implementing Content Security Policy (CSP) headers to mitigate XSS risks. Since the vendor did not respond, consider disabling the affected component if possible.

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